From 8e32dbb9596565d4d02750b9851e32d8ffabba1c Mon Sep 17 00:00:00 2001
From: cjh9368 <chengjiahui@huawei.com>
Date: Tue, 24 Nov 2020 10:43:32 +0800
Subject: [PATCH] tflite parser remove useless code and recitify registry

---
 .../parser/tflite/tflite_activation_parser.cc |  78 +--
 .../parser/tflite/tflite_activation_parser.h  |   4 -
 .../parser/tflite/tflite_addn_parser.cc       |  36 +-
 .../parser/tflite/tflite_addn_parser.h        |   4 -
 .../parser/tflite/tflite_argmax_parser.cc     |  63 +--
 .../parser/tflite/tflite_argmax_parser.h      |   4 -
 .../parser/tflite/tflite_argmin_parser.cc     |  63 +--
 .../parser/tflite/tflite_argmin_parser.h      |   9 +-
 .../parser/tflite/tflite_arithmetic_parser.cc | 447 ++----------------
 .../parser/tflite/tflite_arithmetic_parser.h  |  12 -
 .../tflite/tflite_batch_to_space_parser.cc    |  61 +--
 .../tflite/tflite_batch_to_space_parser.h     |   9 +-
 .../tflite/tflite_broadcast_to_parser.cc      |  43 +-
 .../tflite/tflite_broadcast_to_parser.h       |   4 -
 .../parser/tflite/tflite_cast_parser.cc       |  51 +-
 .../parser/tflite/tflite_cast_parser.h        |   3 -
 .../parser/tflite/tflite_concat_parser.cc     |  48 +-
 .../parser/tflite/tflite_concat_parser.h      |   3 -
 .../parser/tflite/tflite_conv_parser.cc       |  78 +--
 .../parser/tflite/tflite_conv_parser.h        |   3 -
 .../parser/tflite/tflite_custom_parser.cc     |  66 +--
 .../parser/tflite/tflite_custom_parser.h      |   3 -
 .../parser/tflite/tflite_deconv_parser.cc     |  84 +---
 .../parser/tflite/tflite_deconv_parser.h      |   9 +-
 .../tflite/tflite_depth_to_space_parser.cc    |  41 +-
 .../tflite/tflite_depth_to_space_parser.h     |   3 -
 .../tflite/tflite_depthwise_conv_parser.cc    |  87 +---
 .../tflite/tflite_depthwise_conv_parser.h     |   4 -
 .../parser/tflite/tflite_dequantize_parser.cc |  58 +--
 .../parser/tflite/tflite_dequantize_parser.h  |   4 -
 .../tflite/tflite_expand_dims_parser.cc       |  38 +-
 .../parser/tflite/tflite_expand_dims_parser.h |   3 -
 .../parser/tflite/tflite_fill_parser.cc       |  39 +-
 .../parser/tflite/tflite_fill_parser.h        |   4 -
 .../tflite/tflite_fullyconnected_parser.cc    |  54 +--
 .../tflite/tflite_fullyconnected_parser.h     |   3 -
 .../parser/tflite/tflite_gather_nd_parser.cc  |  36 +-
 .../parser/tflite/tflite_gather_nd_parser.h   |   3 -
 .../parser/tflite/tflite_gather_parser.cc     |  42 +-
 .../parser/tflite/tflite_gather_parser.h      |   3 -
 .../tflite/tflite_hashtable_lookup_parser.cc  |  38 +-
 .../tflite/tflite_hashtable_lookup_parser.h   |   3 -
 .../parser/tflite/tflite_l2norm_parser.cc     |  36 +-
 .../parser/tflite/tflite_l2norm_parser.h      |   3 -
 .../parser/tflite/tflite_logical_parser.cc    |  63 +--
 .../parser/tflite/tflite_logical_parser.h     |   3 -
 .../parser/tflite/tflite_lrn_parser.cc        |  42 +-
 .../parser/tflite/tflite_lrn_parser.h         |   3 -
 .../tflite/tflite_lsh_projection_parser.cc    |  46 +-
 .../tflite/tflite_lsh_projection_parser.h     |   3 -
 .../parser/tflite/tflite_matmul_parser.cc     |  37 +-
 .../parser/tflite/tflite_matmul_parser.h      |  11 +-
 .../parser/tflite/tflite_model_parser.cc      |   6 +-
 .../parser/tflite/tflite_node_parser.h        |  41 --
 .../tflite/tflite_node_parser_registry.cc     |   4 +-
 .../tflite/tflite_node_parser_registry.h      |   8 +-
 .../parser/tflite/tflite_one_hot_parser.cc    |  46 +-
 .../parser/tflite/tflite_one_hot_parser.h     |   3 -
 .../parser/tflite/tflite_pad_parser.cc        |  73 +--
 .../parser/tflite/tflite_pad_parser.h         |   3 -
 .../parser/tflite/tflite_pooling_parser.cc    |  74 +--
 .../parser/tflite/tflite_pooling_parser.h     |   3 -
 .../parser/tflite/tflite_prelu_parser.cc      |  33 +-
 .../parser/tflite/tflite_prelu_parser.h       |   3 -
 .../parser/tflite/tflite_quantize_parser.cc   |  57 +--
 .../parser/tflite/tflite_quantize_parser.h    |   3 -
 .../parser/tflite/tflite_range_parser.cc      |  53 +--
 .../parser/tflite/tflite_range_parser.h       |   3 -
 .../parser/tflite/tflite_rank_parser.cc       |  32 +-
 .../parser/tflite/tflite_rank_parser.h        |   3 -
 .../parser/tflite/tflite_reduce_parser.cc     |  76 +--
 .../parser/tflite/tflite_reduce_parser.h      |   3 -
 .../parser/tflite/tflite_reshape_parser.cc    |  65 +--
 .../parser/tflite/tflite_reshape_parser.h     |   4 -
 .../parser/tflite/tflite_resize_parser.cc     | 103 +---
 .../parser/tflite/tflite_resize_parser.h      |   3 -
 .../parser/tflite/tflite_reverse_parser.cc    |  37 +-
 .../parser/tflite/tflite_reverse_parser.h     |   3 -
 .../tflite/tflite_reverse_sequence_parser.cc  |  44 +-
 .../tflite/tflite_reverse_sequence_parser.h   |   3 -
 .../parser/tflite/tflite_scatter_nd_parser.cc |  40 +-
 .../parser/tflite/tflite_scatter_nd_parser.h  |   3 -
 .../parser/tflite/tflite_shape_parser.cc      |  32 +-
 .../parser/tflite/tflite_shape_parser.h       |   3 -
 .../parser/tflite/tflite_skip_gram_parser.cc  |  41 +-
 .../parser/tflite/tflite_skip_gram_parser.h   |   3 -
 .../parser/tflite/tflite_slice_parser.cc      |  48 +-
 .../parser/tflite/tflite_slice_parser.h       |   3 -
 .../parser/tflite/tflite_softmax_parser.cc    |  34 +-
 .../parser/tflite/tflite_softmax_parser.h     |   4 -
 .../tflite/tflite_space_to_batch_nd_parser.cc |  44 +-
 .../tflite/tflite_space_to_batch_nd_parser.h  |   3 -
 .../tflite/tflite_space_to_depth_parser.cc    |  41 +-
 .../tflite/tflite_space_to_depth_parser.h     |   3 -
 .../tflite/tflite_sparse_to_dense_parser.cc   |  39 +-
 .../tflite/tflite_sparse_to_dense_parser.h    |   3 -
 .../parser/tflite/tflite_split_parser.cc      |  77 +--
 .../parser/tflite/tflite_split_parser.h       |   3 -
 .../parser/tflite/tflite_split_v_parser.cc    |  72 +--
 .../parser/tflite/tflite_split_v_parser.h     |   3 -
 .../parser/tflite/tflite_squeeze_parser.cc    |  39 +-
 .../parser/tflite/tflite_squeeze_parser.h     |   3 -
 .../parser/tflite/tflite_stack_parser.cc      |  44 +-
 .../parser/tflite/tflite_stack_parser.h       |   3 -
 .../tflite/tflite_strided_slice_parser.cc     |  66 +--
 .../tflite/tflite_strided_slice_parser.h      |   3 -
 .../parser/tflite/tflite_tile_parser.cc       |  41 +-
 .../parser/tflite/tflite_tile_parser.h        |   3 -
 .../parser/tflite/tflite_topk_v2_parser.cc    |  42 +-
 .../parser/tflite/tflite_topk_v2_parser.h     |   3 -
 .../parser/tflite/tflite_transpose_parser.cc  |  39 +-
 .../parser/tflite/tflite_transpose_parser.h   |   3 -
 .../parser/tflite/tflite_unique_parser.cc     |  41 +-
 .../parser/tflite/tflite_unique_parser.h      |   3 -
 .../parser/tflite/tflite_unstack_parser.cc    |  42 +-
 .../parser/tflite/tflite_unstack_parser.h     |   3 -
 .../parser/tflite/tflite_where_parser.cc      |  39 +-
 .../parser/tflite/tflite_where_parser.h       |   3 -
 .../parser/tflite/tflite_while_parser.cc      |  44 +-
 .../parser/tflite/tflite_while_parser.h       |   3 -
 .../parser/tflite/tflite_zeros_like_parser.cc |  33 +-
 .../parser/tflite/tflite_zeros_like_parser.h  |   3 -
 122 files changed, 156 insertions(+), 3530 deletions(-)

diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.cc
index 337fda4652..ce9825dd43 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.cc
@@ -23,71 +23,6 @@
 #include "tools/converter/parser/tflite/tflite_util.h"
 
 namespace mindspore::lite {
-STATUS TfliteActivationParser::Parse(TfliteTensorsInfo *tensors_info,
-                                     const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                     const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                     const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ActivationT> attr = std::make_unique<schema::ActivationT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "Relu") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteReluParser";
-    attr->type = schema::ActivationType_RELU;
-  } else if (std::strcmp(node_name, "Relu6") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteRelu6Parser";
-    attr->type = schema::ActivationType_RELU6;
-  } else if (std::strcmp(node_name, "Tanh") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteTanhParser";
-    attr->type = schema::ActivationType_TANH;
-  } else if (std::strcmp(node_name, "Logistic") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteLogisticParser";
-    attr->type = schema::ActivationType_SIGMOID;
-  } else if (std::strcmp(node_name, "Swish") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteSwishParser";
-    attr->type = schema::ActivationType_SWISH;
-  } else if (std::strcmp(node_name, "HardSwish") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteHardSwishParser";
-    attr->type = schema::ActivationType_HSWISH;
-  } else if (std::strcmp(node_name, "LeakyRelu") == 0) {
-    const auto &tflite_attr = tflite_op->builtin_options.AsLeakyReluOptions();
-    if (tflite_attr == nullptr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    attr->alpha = tflite_attr->alpha;
-    attr->type = schema::ActivationType_LEAKY_RELU;
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Activation;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
-
 lite::PrimitiveC *TfliteActivationParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                              const std::unique_ptr<tflite::ModelT> &tflite_model) {
   std::unique_ptr<schema::ActivationT> attr = std::make_unique<schema::ActivationT>();
@@ -117,11 +52,10 @@ lite::PrimitiveC *TfliteActivationParser::ParseLitePrimitive(const std::unique_p
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_TfliteReluParser("ReLU", new TfliteActivationParser());
-TfliteNodeRegister g_TfliteRelu6Parser("ReLU6", new TfliteActivationParser());
-TfliteNodeRegister g_TfliteTanhParser("Tanh", new TfliteActivationParser());
-TfliteNodeRegister g_TfliteSwishParser("Swish", new TfliteActivationParser());
-TfliteNodeRegister g_TfliteHardSwishParser("HSwish", new TfliteActivationParser());
-TfliteNodeRegister g_tfliteLogisticParser("Logistic", new TfliteActivationParser());
-TfliteNodeRegister g_TfliteLeakyReluParser("LeakyRelu", new TfliteActivationParser());
+TfliteNodeRegister g_TfliteReluParser(tflite::BuiltinOperator_RELU, new TfliteActivationParser());
+TfliteNodeRegister g_TfliteRelu6Parser(tflite::BuiltinOperator_RELU6, new TfliteActivationParser());
+TfliteNodeRegister g_TfliteTanhParser(tflite::BuiltinOperator_TANH, new TfliteActivationParser());
+TfliteNodeRegister g_TfliteSwishParser(tflite::BuiltinOperator_HARD_SWISH, new TfliteActivationParser());
+TfliteNodeRegister g_tfliteLogisticParser(tflite::BuiltinOperator_LOGISTIC, new TfliteActivationParser());
+TfliteNodeRegister g_TfliteLeakyReluParser(tflite::BuiltinOperator_LEAKY_RELU, new TfliteActivationParser());
 }  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.h
index c39f1dbb0b..15977ab45b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_activation_parser.h
@@ -28,10 +28,6 @@ class TfliteActivationParser : public TfliteNodeParser {
  public:
   TfliteActivationParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   lite::PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                        const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.cc
index dcf38dbc01..6a7c6c1d0c 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.cc
@@ -22,40 +22,6 @@
 #include "src/ops/addn.h"
 
 namespace mindspore::lite {
-STATUS TfliteAddNParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                               const std::unique_ptr<tflite::ModelT> &tflite_model,
-                               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteAddNParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::AddNT> attr = std::make_unique<schema::AddNT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->N = tflite_subgraph->tensors.size() - 1;
-
-  op->primitive->value.type = schema::PrimitiveType_AddN;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 lite::PrimitiveC *TfliteAddNParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                        const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto attr = std::make_unique<schema::AddNT>();
@@ -69,5 +35,5 @@ lite::PrimitiveC *TfliteAddNParser::ParseLitePrimitive(const std::unique_ptr<tfl
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteAddNParser("AddN", new TfliteAddNParser());
+TfliteNodeRegister g_tfliteAddNParser(tflite::BuiltinOperator_ADD_N, new TfliteAddNParser());
 }  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.h
index dd137de5aa..12a613247f 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_addn_parser.h
@@ -29,10 +29,6 @@ class TfliteAddNParser : public TfliteNodeParser {
  public:
   TfliteAddNParser() : TfliteNodeParser("AddN") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   lite::PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                        const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.cc
index 223cfc0805..bd304270a9 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.cc
@@ -19,63 +19,7 @@
 #include <vector>
 #include <map>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteArgmaxParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteArgmaxParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ArgMaxT> attr = std::make_unique<schema::ArgMaxT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->outMaxValue = false;
-  attr->topK = 1;
-  attr->keepDims = false;
-  attr->axisType = 1;
-
-  // get axis attr
-  auto axis_idx = tflite_op->inputs[1];
-  auto axis_tensor = tflite_subgraph->tensors[axis_idx].get();
-  if (axis_tensor == nullptr) {
-    MS_LOG(ERROR) << "axis_tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto buffer_idx = axis_tensor->buffer;
-  auto &buf_data = tflite_model->buffers[buffer_idx];
-  if (buf_data == nullptr) {
-    MS_LOG(ERROR) << "the buf data is null";
-    return RET_NULL_PTR;
-  }
-  auto data_ptr = buf_data->data.data();
-  if (data_ptr == nullptr) {
-    MS_LOG(ERROR) << "the data is null";
-    return RET_NULL_PTR;
-  }
-  attr->axis = *(static_cast<int32_t *>(static_cast<void *>(data_ptr)));
-
-  op->primitive->value.type = schema::PrimitiveType_ArgMax;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteArgmaxParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   const auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -110,6 +54,5 @@ PrimitiveC *TfliteArgmaxParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteArgmaxParser("Argmax", new TfliteArgmaxParser());
-}  // namespace lite
-}  // namespace mindspore
+TfliteNodeRegister g_tfliteArgmaxParser(tflite::BuiltinOperator_ARG_MAX, new TfliteArgmaxParser());
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.h
index 50a4ca9354..2b0cf6ded3 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_argmax_parser.h
@@ -29,10 +29,6 @@ class TfliteArgmaxParser : public TfliteNodeParser {
  public:
   TfliteArgmaxParser() : TfliteNodeParser("Argmax") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.cc
index 8374232050..1e4deebdb5 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.cc
@@ -19,63 +19,7 @@
 #include <vector>
 #include <map>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteArgminParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteArgminParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ArgMinT> attr = std::make_unique<schema::ArgMinT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->outMaxValue = false;
-  attr->topK = 1;
-  attr->keepDims = false;
-  attr->axisType = 1;
-
-  // get axis attr
-  auto axis_idx = tflite_op->inputs[1];
-  auto axis_tensor = tflite_subgraph->tensors[axis_idx].get();
-  if (axis_tensor == nullptr) {
-    MS_LOG(ERROR) << "axis_tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto buffer_idx = axis_tensor->buffer;
-  auto &buf_data = tflite_model->buffers[buffer_idx];
-  if (buf_data == nullptr) {
-    MS_LOG(ERROR) << "the buf data is null";
-    return RET_NULL_PTR;
-  }
-  auto data_ptr = buf_data->data.data();
-  if (data_ptr == nullptr) {
-    MS_LOG(ERROR) << "the data is null";
-    return RET_NULL_PTR;
-  }
-  attr->axis = *(static_cast<int32_t *>(static_cast<void *>(data_ptr)));
-
-  op->primitive->value.type = schema::PrimitiveType_ArgMin;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteArgminParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   const auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -110,6 +54,5 @@ PrimitiveC *TfliteArgminParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteArgminParser("Argmin", new TfliteArgminParser());
-}  // namespace lite
-}  // namespace mindspore
+TfliteNodeRegister g_tfliteArgminParser(tflite::BuiltinOperator_ARG_MIN, new TfliteArgminParser());
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.h
index be2757aaf0..7d18c75123 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_argmin_parser.h
@@ -23,19 +23,14 @@
 #include "tools/converter/parser/tflite/tflite_node_parser.h"
 #include "tools/converter/parser/tflite/tflite_node_parser_registry.h"
 
-namespace mindspore {
-namespace lite {
+namespace mindspore::lite {
 class TfliteArgminParser : public TfliteNodeParser {
  public:
   TfliteArgminParser() : TfliteNodeParser("Argmin") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
-}  // namespace lite
-}  // namespace mindspore
+}  // namespace mindspore::lite
 
 #endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_ARGMIN_PARSER_H
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.cc
index 2d138b6269..db6309b00b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.cc
@@ -19,166 +19,7 @@
 #include <memory>
 #include <string>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteDoubleInputOpParser::Parse(TfliteTensorsInfo *tensors_info,
-                                        const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                        const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                        const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "Add") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteAddParser";
-    auto attr = std::make_unique<schema::AddT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    const auto &tfliteAttr = tflite_op->builtin_options.AsAddOptions();
-    if (nullptr == tfliteAttr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    attr->activationType = GetActivationFunctionType(tfliteAttr->fused_activation_function);
-    op->primitive->value.type = schema::PrimitiveType_Add;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Sub") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteSubParser";
-    auto attr = std::make_unique<schema::SubT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    const auto &tfliteAttr = tflite_op->builtin_options.AsSubOptions();
-    if (nullptr == tfliteAttr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    attr->activationType = GetActivationFunctionType(tfliteAttr->fused_activation_function);
-    op->primitive->value.type = schema::PrimitiveType_Sub;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Mul") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteMulParser";
-    auto attr = std::make_unique<schema::MulT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    const auto &tfliteAttr = tflite_op->builtin_options.AsMulOptions();
-    if (nullptr == tfliteAttr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    attr->activationType = GetActivationFunctionType(tfliteAttr->fused_activation_function);
-    op->primitive->value.type = schema::PrimitiveType_Mul;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Div") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteDivParser";
-    auto attr = std::make_unique<schema::DivT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    const auto &tfliteAttr = tflite_op->builtin_options.AsDivOptions();
-    if (nullptr == tfliteAttr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    attr->activationType = GetActivationFunctionType(tfliteAttr->fused_activation_function);
-    op->primitive->value.type = schema::PrimitiveType_Div;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "FloorDiv") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteFloorDivParser";
-    std::unique_ptr<schema::FloorDivT> attr = std::make_unique<schema::FloorDivT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_FloorDiv;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "FloorMod") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteFloorModParser";
-    auto attr = std::make_unique<schema::FloorModT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_FloorMod;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "RealDiv") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteRealDivParser";
-    std::unique_ptr<schema::RealDivT> attr = std::make_unique<schema::RealDivT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Div;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "SquaredDifference") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteSquaredDifferenceParser";
-    auto attr = std::make_unique<schema::SquaredDifferenceT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_SquaredDifference;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Pow") == 0) {
-    MS_LOG(DEBUG) << "parse TflitePowParser";
-    auto attr = std::make_unique<schema::PowerT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    attr->power = 1.0f;
-    attr->scale = 1.0f;
-    attr->shift = 0.0f;
-    op->primitive->value.type = schema::PrimitiveType_Power;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Maximum") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteMaximumParser";
-    auto attr = std::make_unique<schema::MaximumT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Maximum;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Minimum") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteMinimumParser";
-    auto attr = std::make_unique<schema::MinimumT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Minimum;
-    op->primitive->value.value = attr.release();
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  // set input
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteDoubleInputOpParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                           const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto tflite_op_type = (tflite_model->operator_codes[tflite_op->opcode_index])->builtin_code;
@@ -307,146 +148,6 @@ PrimitiveC *TfliteDoubleInputOpParser::ParseLitePrimitive(const std::unique_ptr<
   return PrimitiveC::Create(primitive.release());
 }
 
-STATUS TfliteSingleInputOpParser::Parse(TfliteTensorsInfo *tensors_info,
-                                        const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                        const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                        const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "Abs") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteAbsParser";
-    auto attr = std::make_unique<schema::AbsT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Abs;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Exp") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteExpParser";
-    auto attr = std::make_unique<schema::ExpT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    attr->base = -1;  // -1 represent base = e
-    attr->scale = 1;
-    attr->shift = 0;
-    op->primitive->value.type = schema::PrimitiveType_Exp;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Sqrt") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteSqrtParser";
-    auto attr = std::make_unique<schema::SqrtT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Sqrt;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Rsqrt") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteRsqrtParser";
-    auto attr = std::make_unique<schema::RsqrtT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Rsqrt;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Square") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteSquareParser";
-    auto attr = std::make_unique<schema::SquareT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Square;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Sin") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteSinParser";
-    auto attr = std::make_unique<schema::SinT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Sin;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Cos") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteCosParser";
-    std::unique_ptr<schema::CosT> attr = std::make_unique<schema::CosT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Cos;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Log") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteLogParser";
-    auto attr = std::make_unique<schema::LogT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Log;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Round") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteRoundParser";
-    auto attr = std::make_unique<schema::RoundT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Round;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Ceil") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteCeilParser";
-    auto attr = std::make_unique<schema::CeilT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Ceil;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "flOOR") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteFloorParser";
-    auto attr = std::make_unique<schema::FloorT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Floor;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Neg") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteNegParser";
-    auto attr = std::make_unique<schema::NegT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Neg;
-    op->primitive->value.value = attr.release();
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteSingleInputOpParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                           const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto tflite_op_type = (tflite_model->operator_codes[tflite_op->opcode_index])->builtin_code;
@@ -566,91 +267,6 @@ PrimitiveC *TfliteSingleInputOpParser::ParseLitePrimitive(const std::unique_ptr<
   return PrimitiveC::Create(primitive.release());
 }
 
-STATUS TfliteCompareOpParser::Parse(TfliteTensorsInfo *tensors_info,
-                                    const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                    const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                    const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "Equal") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteEqualParser";
-    std::unique_ptr<schema::EqualT> attr = std::make_unique<schema::EqualT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Equal;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "NotEqual") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteNotEqualParser";
-    std::unique_ptr<schema::NotEqualT> attr = std::make_unique<schema::NotEqualT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_NotEqual;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Greater") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteGreaterParser";
-    std::unique_ptr<schema::GreaterT> attr = std::make_unique<schema::GreaterT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Greater;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "GreaterEqual") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteGreaterEqualParser";
-    std::unique_ptr<schema::GreaterEqualT> attr = std::make_unique<schema::GreaterEqualT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_GreaterEqual;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "Less") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteLessParser";
-    std::unique_ptr<schema::LessT> attr = std::make_unique<schema::LessT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_Less;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "LessEqual") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteLessEqualParser";
-    std::unique_ptr<schema::LessEqualT> attr = std::make_unique<schema::LessEqualT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_LessEqual;
-    op->primitive->value.value = attr.release();
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteCompareOpParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                       const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto tflite_op_type = (tflite_model->operator_codes[tflite_op->opcode_index])->builtin_code;
@@ -714,36 +330,35 @@ PrimitiveC *TfliteCompareOpParser::ParseLitePrimitive(const std::unique_ptr<tfli
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteAddParser("Add", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_tfliteSubParser("Sub", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_TfliteMulParser("Mul", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_TfliteDivParser("Div", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_tfliteFloorDivParser("FloorDiv", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_tfliteFloorModParser("FloorMod", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_tfliteRealDivParser("RealDiv", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_TflitePowParser("Pow", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_tfliteSquaredDifferenceParser("SquaredDifference", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_TfliteMaximumParser("Maximum", new TfliteDoubleInputOpParser());
-TfliteNodeRegister g_TfliteMinimumParser("Minimum", new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_tfliteAddParser(tflite::BuiltinOperator_ADD, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_tfliteSubParser(tflite::BuiltinOperator_SUB, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_TfliteMulParser(tflite::BuiltinOperator_MUL, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_TfliteDivParser(tflite::BuiltinOperator_DIV, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_tfliteFloorDivParser(tflite::BuiltinOperator_FLOOR_DIV, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_tfliteFloorModParser(tflite::BuiltinOperator_FLOOR_MOD, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_TflitePowParser(tflite::BuiltinOperator_POW, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_tfliteSquaredDifferenceParser(tflite::BuiltinOperator_SQUARED_DIFFERENCE,
+                                                   new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_TfliteMaximumParser(tflite::BuiltinOperator_MAXIMUM, new TfliteDoubleInputOpParser());
+TfliteNodeRegister g_TfliteMinimumParser(tflite::BuiltinOperator_MINIMUM, new TfliteDoubleInputOpParser());
 
-TfliteNodeRegister g_TfliteAbsParser("Abs", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_TfliteExpParser("Exp", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_TfliteSqrtParser("Sqrt", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_tfliteRsqrtParser("Rsqrt", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_TfliteSquareParser("Square", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_TfliteSinParser("Sin", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_TfliteCosParser("Cos", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_TfliteLogParser("Log", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_tfliteRoundParser("Round", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_TfliteCeilParser("Ceil", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_tfliteFloorParser("flOOR", new TfliteSingleInputOpParser());
-TfliteNodeRegister g_tfliteNegParser("Neg", new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteAbsParser(tflite::BuiltinOperator_ABS, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteExpParser(tflite::BuiltinOperator_EXP, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteSqrtParser(tflite::BuiltinOperator_SQRT, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_tfliteRsqrtParser(tflite::BuiltinOperator_RSQRT, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteSquareParser(tflite::BuiltinOperator_SQUARE, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteSinParser(tflite::BuiltinOperator_SIN, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteCosParser(tflite::BuiltinOperator_COS, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteLogParser(tflite::BuiltinOperator_LOG, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_tfliteRoundParser(tflite::BuiltinOperator_ROUND, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_TfliteCeilParser(tflite::BuiltinOperator_CEIL, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_tfliteFloorParser(tflite::BuiltinOperator_FLOOR, new TfliteSingleInputOpParser());
+TfliteNodeRegister g_tfliteNegParser(tflite::BuiltinOperator_NEG, new TfliteSingleInputOpParser());
 
-TfliteNodeRegister g_tfliteEqualParser("Equal", new TfliteCompareOpParser());
-TfliteNodeRegister g_tfliteNotEqualParser("NotEqual", new TfliteCompareOpParser());
-TfliteNodeRegister g_tfliteGreaterEParser("Greater", new TfliteCompareOpParser());
-TfliteNodeRegister g_tfliteGreaterEqualParser("GreaterEqual", new TfliteCompareOpParser());
-TfliteNodeRegister g_tfliteLessParser("Less", new TfliteCompareOpParser());
-TfliteNodeRegister g_tfliteLessEqualParser("LessEqual", new TfliteCompareOpParser());
-}  // namespace lite
-}  // namespace mindspore
+TfliteNodeRegister g_tfliteEqualParser(tflite::BuiltinOperator_EQUAL, new TfliteCompareOpParser());
+TfliteNodeRegister g_tfliteNotEqualParser(tflite::BuiltinOperator_NOT_EQUAL, new TfliteCompareOpParser());
+TfliteNodeRegister g_tfliteGreaterEParser(tflite::BuiltinOperator_GREATER, new TfliteCompareOpParser());
+TfliteNodeRegister g_tfliteGreaterEqualParser(tflite::BuiltinOperator_GREATER_EQUAL, new TfliteCompareOpParser());
+TfliteNodeRegister g_tfliteLessParser(tflite::BuiltinOperator_LESS, new TfliteCompareOpParser());
+TfliteNodeRegister g_tfliteLessEqualParser(tflite::BuiltinOperator_LESS_EQUAL, new TfliteCompareOpParser());
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.h
index 65cbc7c91c..4ca09e71c0 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_arithmetic_parser.h
@@ -29,10 +29,6 @@ class TfliteDoubleInputOpParser : public TfliteNodeParser {
  public:
   TfliteDoubleInputOpParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
@@ -41,10 +37,6 @@ class TfliteSingleInputOpParser : public TfliteNodeParser {
  public:
   TfliteSingleInputOpParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
@@ -53,10 +45,6 @@ class TfliteCompareOpParser : public TfliteNodeParser {
  public:
   TfliteCompareOpParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.cc
index 1f2f1cc041..80526727e3 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.cc
@@ -21,59 +21,7 @@
 #include <string>
 #include <map>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteBatchToSpaceParser::Parse(TfliteTensorsInfo *tensors_info,
-                                       const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                       const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                       const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "BatchToSpace") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteBatchToSpaceParser";
-  } else if (std::strcmp(node_name, "BatchToSpaceND") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteBatchToSpaceNDParser";
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  std::unique_ptr<schema::BatchToSpaceT> attr = std::make_unique<schema::BatchToSpaceT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->blockShape)) {
-    MS_LOG(ERROR) << "get batchToSpace -> blockShape failed";
-    return RET_ERROR;
-  }
-  if (GetTfliteData(tflite_op->inputs[2], tflite_subgraph->tensors, tflite_model->buffers, attr->crops)) {
-    MS_LOG(ERROR) << "get batchToSpace -> crops failed";
-    return RET_ERROR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_BatchToSpace;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteBatchToSpaceParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                          const std::unique_ptr<tflite::ModelT> &tflite_model) {
   const auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -98,7 +46,6 @@ PrimitiveC *TfliteBatchToSpaceParser::ParseLitePrimitive(const std::unique_ptr<t
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteBatchToSpaceParser("BatchToSpace", new TfliteBatchToSpaceParser());
-TfliteNodeRegister g_tfliteBatchToSpaceNDParser("BatchToSpaceND", new TfliteBatchToSpaceParser());
-}  // namespace lite
-}  // namespace mindspore
+TfliteNodeRegister g_tfliteBatchToSpaceNDParser(tflite::BuiltinOperator_BATCH_TO_SPACE_ND,
+                                                new TfliteBatchToSpaceParser());
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.h
index 766d5798d4..49b5d93e75 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_batch_to_space_parser.h
@@ -23,20 +23,15 @@
 #include "tools/converter/parser/tflite/tflite_node_parser.h"
 #include "tools/converter/parser/tflite/tflite_node_parser_registry.h"
 
-namespace mindspore {
-namespace lite {
+namespace mindspore::lite {
 class TfliteBatchToSpaceParser : public TfliteNodeParser {
  public:
   TfliteBatchToSpaceParser() : TfliteNodeParser("BatchToSpace") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
 
-}  // namespace lite
-}  // namespace mindspore
+}  // namespace mindspore::lite
 
 #endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_BATCH_TO_SPACE_PARSER_H
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.cc
index 02b29d1eda..c7a1769941 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.cc
@@ -19,44 +19,7 @@
 #include <vector>
 #include <memory>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteBroadcastToParser::Parse(TfliteTensorsInfo *tensors_info,
-                                      const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                      const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                      const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteBroadcastToParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::BroadcastToT> attr = std::make_unique<schema::BroadcastToT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->dst_shape)) {
-    MS_LOG(ERROR) << "get broadCastTo -> dst_shape failed";
-    return RET_ERROR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_BroadcastTo;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteBroadcastToParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                         const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -80,6 +43,4 @@ PrimitiveC *TfliteBroadcastToParser::ParseLitePrimitive(const std::unique_ptr<tf
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteBroadcastToParser("BroadcastTo", new TfliteBroadcastToParser());
-}  // namespace lite
-}  // namespace mindspore
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.h
index 6652744337..e4df6b211e 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_broadcast_to_parser.h
@@ -28,10 +28,6 @@ class TfliteBroadcastToParser : public TfliteNodeParser {
  public:
   TfliteBroadcastToParser() : TfliteNodeParser("BroadcastTo") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.cc
index 28d630ad94..ee3dd1804a 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.cc
@@ -18,51 +18,7 @@
 #include <vector>
 #include <memory>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteCastParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                               const std::unique_ptr<tflite::ModelT> &tflite_model,
-                               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteCastParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::CastT> attr = std::make_unique<schema::CastT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &in_tensor = tflite_subgraph->tensors[tflite_op->inputs[0]];
-  if (in_tensor == nullptr) {
-    MS_LOG(ERROR) << "tensor is null";
-    return RET_NULL_PTR;
-  }
-  attr->srcT = GetTfliteDataType(in_tensor->type);
-  const auto &out_tensor = tflite_subgraph->tensors[tflite_op->outputs[0]];
-  if (out_tensor == nullptr) {
-    MS_LOG(ERROR) << "tensor is null";
-    return RET_NULL_PTR;
-  }
-  attr->dstT = GetTfliteDataType(out_tensor->type);
-
-  op->primitive->value.type = schema::PrimitiveType_Cast;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteCastParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                  const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -90,6 +46,5 @@ PrimitiveC *TfliteCastParser::ParseLitePrimitive(const std::unique_ptr<tflite::O
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteCastParser("Cast", new TfliteCastParser());
-}  // namespace lite
-}  // namespace mindspore
+TfliteNodeRegister g_tfliteCastParser(tflite::BuiltinOperator_CAST, new TfliteCastParser());
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.h
index ae71a4bb8d..10bea6c98b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_cast_parser.h
@@ -29,9 +29,6 @@ class TfliteCastParser : public TfliteNodeParser {
  public:
   TfliteCastParser() : TfliteNodeParser("Cast") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.cc
index 9a3b51ca49..8f290bf184 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.cc
@@ -18,48 +18,7 @@
 #include <vector>
 #include <memory>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteConcatParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteConcatParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ConcatT> attr = std::make_unique<schema::ConcatT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tfliteAttr = tflite_op->builtin_options.AsConcatenationOptions();
-  if (tfliteAttr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->axis = tfliteAttr->axis;
-  attr->n = tflite_op->inputs.size();
-
-  op->primitive->value.type = schema::PrimitiveType_Concat;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteConcatParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -81,6 +40,5 @@ PrimitiveC *TfliteConcatParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteConcatParser("Concat", new TfliteConcatParser());
-}  // namespace lite
-}  // namespace mindspore
+TfliteNodeRegister g_tfliteConcatParser(tflite::BuiltinOperator_CONCATENATION, new TfliteConcatParser());
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.h
index e99cb1ac87..46246ecd39 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_concat_parser.h
@@ -29,9 +29,6 @@ class TfliteConcatParser : public TfliteNodeParser {
  public:
   TfliteConcatParser() : TfliteNodeParser("Concat") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc
index 1fec27f723..74f2fe8b8f 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.cc
@@ -19,82 +19,6 @@
 #include <memory>
 
 namespace mindspore::lite {
-STATUS TfliteConvParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                               const std::unique_ptr<tflite::ModelT> &tflite_model,
-                               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteConvParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::Conv2DT> attr = std::make_unique<schema::Conv2DT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsConv2DOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->group = 1;
-  attr->strideW = tflite_attr->stride_w;
-  attr->strideH = tflite_attr->stride_h;
-  attr->dilateH = tflite_attr->dilation_h_factor;
-  attr->dilateW = tflite_attr->dilation_w_factor;
-  attr->padMode = GetPadMode(tflite_attr->padding);
-  attr->format = schema::Format::Format_NHWC;
-  attr->activationType = GetActivationFunctionType(tflite_attr->fused_activation_function);
-  attr->hasBias = true;
-
-  // get the conv op weight tensor
-  auto weight_index = tflite_op->inputs[1];
-  const auto &weight_tensor = tflite_subgraph->tensors[weight_index];
-  if (weight_tensor == nullptr) {
-    MS_LOG(ERROR) << "the weight tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto weight_shape = weight_tensor->shape;
-  attr->channelIn = weight_shape[3];
-  attr->channelOut = weight_shape[0];
-  attr->kernelH = weight_shape[1];
-  attr->kernelW = weight_shape[2];
-
-  // calculate pad params
-  auto data_index = tflite_op->inputs[0];
-  const auto &data_tensor = tflite_subgraph->tensors[data_index];
-  std::vector<int64_t> params;
-  int status =
-    getPaddingParam(data_tensor, attr->padMode, attr->strideH, attr->strideW, attr->kernelH, attr->kernelW, &params);
-  if (status != RET_OK && status != RET_NO_CHANGE) {
-    MS_LOG(ERROR) << "get padding params failed";
-    return RET_ERROR;
-  } else if (status == RET_OK) {
-    attr->padUp = params.at(0);
-    attr->padDown = params.at(1);
-    attr->padLeft = params.at(2);
-    attr->padRight = params.at(3);
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Conv2D;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_KHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[2], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 lite::PrimitiveC *TfliteConvParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                        const std::unique_ptr<tflite::ModelT> &tflite_model) {
   const auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -153,5 +77,5 @@ lite::PrimitiveC *TfliteConvParser::ParseLitePrimitive(const std::unique_ptr<tfl
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteConv2DParser("Conv2D", new TfliteConvParser());
+TfliteNodeRegister g_tfliteConv2DParser(tflite::BuiltinOperator_CONV_2D, new TfliteConvParser());
 }  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.h
index 8c98656fc9..a13c0b7aa2 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_conv_parser.h
@@ -28,9 +28,6 @@ class TfliteConvParser : public TfliteNodeParser {
  public:
   TfliteConvParser() : TfliteNodeParser("Conv2D") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   lite::PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                        const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.cc
index 60aed771a7..b57ad24cbf 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.cc
@@ -207,70 +207,6 @@ STATUS TfliteCustomParser::BatchMatMul(const std::vector<uint8_t> &custom_attr,
   return RET_OK;
 }
 
-STATUS TfliteCustomParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteCustomParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-  const auto &custom_attr = tflite_op->custom_options;
-  const auto opcode_index = tflite_op->opcode_index;
-  const auto &operator_code = tflite_model->operator_codes[opcode_index];
-  if (operator_code == nullptr) {
-    MS_LOG(ERROR) << "operator_code is null";
-    return RET_NULL_PTR;
-  }
-  const auto &custom_type = operator_code->custom_code;
-
-  int status = RET_OK;
-  if (custom_type == "TFLite_Detection_PostProcess") {
-    status = DetectPostProcess(custom_attr, op, tflite_op);
-  } else if (custom_type == "Predict") {
-    status = Predict(custom_attr, op, tflite_op);
-  } else if (custom_type == "Normalize") {
-    status = Normalize(custom_attr, op, tflite_op);
-  } else if (custom_type == "ExtractFeatures") {
-    status = ExtractFeatures(custom_attr, op, tflite_op);
-  } else if (custom_type == "AudioSpectrogram") {
-    status = AudioSpectrogram(custom_attr, op, tflite_op);
-  } else if (custom_type == "Mfcc") {
-    status = Mfcc(custom_attr, op, tflite_op);
-  } else if (custom_type == "FlexRFFT") {
-    status = Rfft(custom_attr, op, tflite_op, tflite_model, tflite_subgraph);
-  } else if (custom_type == "FlexReal") {
-    status = FftReal(custom_attr, op, tflite_op);
-  } else if (custom_type == "FlexImag") {
-    status = FftImag(custom_attr, op, tflite_op);
-  } else if (custom_type == "FlexIdentityN" || custom_type == "FlexIdentity") {
-    status = Identity(custom_attr, op, tflite_op);
-  } else if (custom_type == "FlexBatchMatMul") {
-    status = BatchMatMul(custom_attr, op, tflite_op);
-  } else {
-    MS_LOG(ERROR) << "the custom op hasn't been supported now";
-    status = RET_NOT_FIND_OP;
-  }
-  if (status != RET_OK) {
-    return status;
-  }
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return status;
-}
 PrimitiveC *TfliteCustomParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -314,6 +250,6 @@ PrimitiveC *TfliteCustomParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive);
 }
 
-TfliteNodeRegister g_tfliteCustomParser("Custom", new TfliteCustomParser());
+TfliteNodeRegister g_tfliteCustomParser(tflite::BuiltinOperator_CUSTOM, new TfliteCustomParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.h
index aa10234c15..6ddc296f44 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_custom_parser.h
@@ -28,9 +28,6 @@ class TfliteCustomParser : public TfliteNodeParser {
  public:
   TfliteCustomParser() : TfliteNodeParser("Custom") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.cc
index 66be277d76..74df4db85e 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.cc
@@ -18,84 +18,7 @@
 #include <vector>
 #include <memory>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteDeConvParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse tflite Transpose_Conv parser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::DeConv2DT> attr = std::make_unique<schema::DeConv2DT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsTransposeConvOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->group = 1;
-  attr->strideW = tflite_attr->stride_w;
-  attr->strideH = tflite_attr->stride_h;
-  attr->dilateH = 1;
-  attr->dilateW = 1;
-  attr->padMode = GetPadMode(tflite_attr->padding);
-  attr->format = schema::Format::Format_NHWC;
-  attr->activationType = schema::ActivationType_NO_ACTIVATION;
-  attr->hasBias = true;
-
-  // get the conv op weight tensor
-  auto weight_index = tflite_op->inputs[1];
-  const auto &weight_tensor = tflite_subgraph->tensors[weight_index];
-  if (weight_tensor == nullptr) {
-    MS_LOG(ERROR) << "the weight tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto weight_shape = weight_tensor->shape;
-  attr->channelIn = weight_shape[3];
-  attr->channelOut = weight_shape[0];
-  attr->kernelH = weight_shape[1];
-  attr->kernelW = weight_shape[2];
-
-  // calculate pad params
-  auto data_index = tflite_op->inputs[2];
-  const auto &data_tensor = tflite_subgraph->tensors[data_index];
-  std::vector<int64_t> params;
-  int status =
-    getPaddingParam(data_tensor, attr->padMode, attr->strideH, attr->strideW, attr->kernelH, attr->kernelW, &params);
-  if (status != RET_OK && status != RET_NO_CHANGE) {
-    MS_LOG(ERROR) << "get padding params failed";
-    return RET_ERROR;
-  } else if (status == RET_OK) {
-    attr->padUp = params.at(0);
-    attr->padDown = params.at(1);
-    attr->padLeft = params.at(2);
-    attr->padRight = params.at(3);
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_DeConv2D;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[2], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_KHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
+namespace mindspore::lite {
 PrimitiveC *TfliteDeConvParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -155,6 +78,5 @@ PrimitiveC *TfliteDeConvParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteDeConv2DParser("DeConv2D", new TfliteDeConvParser());
-}  // namespace lite
-}  // namespace mindspore
+TfliteNodeRegister g_tfliteDeConv2DParser(tflite::BuiltinOperator_TRANSPOSE_CONV, new TfliteDeConvParser());
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.h
index 5f94fb11e1..ceb3ce95a4 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_deconv_parser.h
@@ -23,19 +23,14 @@
 #include "tools/converter/parser/tflite/tflite_node_parser.h"
 #include "tools/converter/parser/tflite/tflite_node_parser_registry.h"
 
-namespace mindspore {
-namespace lite {
+namespace mindspore::lite {
 class TfliteDeConvParser : public TfliteNodeParser {
  public:
   TfliteDeConvParser() : TfliteNodeParser("DeConv2D") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
-}  // namespace lite
-}  // namespace mindspore
+}  // namespace mindspore::lite
 
 #endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_DECONV_PARSER_H
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.cc
index 4767c62225..c8854a64f1 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.cc
@@ -21,45 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteDepthToSpaceParser::Parse(TfliteTensorsInfo *tensors_info,
-                                       const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                       const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                       const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteDepthToSpaceParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::DepthToSpaceT> attr = std::make_unique<schema::DepthToSpaceT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsDepthToSpaceOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: %s attr failed", op->name.c_str();
-    return RET_NULL_PTR;
-  }
-  attr->blockSize = tflite_attr->block_size;
-  attr->format = schema::Format::Format_NHWC;
-
-  op->primitive->value.type = schema::PrimitiveType_DepthToSpace;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteDepthToSpaceParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                          const std::unique_ptr<tflite::ModelT> &tflite_model) {
   std::unique_ptr<schema::DepthToSpaceT> attr = std::make_unique<schema::DepthToSpaceT>();
@@ -81,6 +42,6 @@ PrimitiveC *TfliteDepthToSpaceParser::ParseLitePrimitive(const std::unique_ptr<t
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteDepthToSpaceParser("DepthToSpace", new TfliteDepthToSpaceParser());
+TfliteNodeRegister g_tfliteDepthToSpaceParser(tflite::BuiltinOperator_DEPTH_TO_SPACE, new TfliteDepthToSpaceParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.h
index 58be13f27d..39082e5f34 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_depth_to_space_parser.h
@@ -29,9 +29,6 @@ class TfliteDepthToSpaceParser : public TfliteNodeParser {
  public:
   TfliteDepthToSpaceParser() : TfliteNodeParser("DepthToSpace") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.cc
index d733b8aeec..a585236500 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.cc
@@ -19,90 +19,6 @@
 #include <memory>
 
 namespace mindspore::lite {
-STATUS TfliteDepthwiseConv2DParser::Parse(TfliteTensorsInfo *tensors_info,
-                                          const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                          const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                          const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph,
-                                          schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteDepthwiseConv2DParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::DepthwiseConv2DT> attr = std::make_unique<schema::DepthwiseConv2DT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsDepthwiseConv2DOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->strideW = tflite_attr->stride_w;
-  attr->strideH = tflite_attr->stride_h;
-  attr->dilateH = tflite_attr->dilation_h_factor;
-  attr->dilateW = tflite_attr->dilation_w_factor;
-  attr->padMode = GetPadMode(tflite_attr->padding);
-  attr->format = schema::Format::Format_NHWC;
-  attr->activationType = GetActivationFunctionType(tflite_attr->fused_activation_function);
-  attr->hasBias = true;
-  attr->channelMultiplier = tflite_attr->depth_multiplier;
-
-  // get the data tensor
-  auto data_index = tflite_op->inputs[1];
-  const auto &data_tensor = tflite_subgraph->tensors[data_index];
-  if (data_tensor == nullptr) {
-    MS_LOG(ERROR) << "the data tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto data_shape = data_tensor->shape;
-  attr->channelIn = data_shape[3];
-
-  // get the weight tensor
-  auto weight_index = tflite_op->inputs[1];
-  const auto &weight_tensor = tflite_subgraph->tensors[weight_index];
-  if (weight_tensor == nullptr) {
-    MS_LOG(ERROR) << "the weight tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto weight_shape = weight_tensor->shape;
-  attr->kernelH = weight_shape[1];
-  attr->kernelW = weight_shape[2];
-
-  // calculate pad params
-  std::vector<int64_t> params;
-  int status =
-    getPaddingParam(data_tensor, attr->padMode, attr->strideH, attr->strideW, attr->kernelH, attr->kernelW, &params);
-  if (status != RET_OK && status != RET_NO_CHANGE) {
-    MS_LOG(ERROR) << "get padding params failed";
-    return RET_ERROR;
-  } else if (status == RET_OK) {
-    attr->padUp = params.at(0);
-    attr->padDown = params.at(1);
-    attr->padLeft = params.at(2);
-    attr->padRight = params.at(3);
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_DepthwiseConv2D;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_KHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[2], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 lite::PrimitiveC *TfliteDepthwiseConv2DParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   MS_LOG(DEBUG) << "parse TfliteDepthwiseConv2DParser";
@@ -169,5 +85,6 @@ lite::PrimitiveC *TfliteDepthwiseConv2DParser::ParseLitePrimitive(const std::uni
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteDepthwiseConv2DParser("DepthwiseConv2D", new TfliteDepthwiseConv2DParser());
+TfliteNodeRegister g_tfliteDepthwiseConv2DParser(tflite::BuiltinOperator_DEPTHWISE_CONV_2D,
+                                                 new TfliteDepthwiseConv2DParser());
 }  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.h
index 1357ed5b97..fda28855d3 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_depthwise_conv_parser.h
@@ -28,10 +28,6 @@ class TfliteDepthwiseConv2DParser : public TfliteNodeParser {
  public:
   TfliteDepthwiseConv2DParser() : TfliteNodeParser("DepthwiseConv2D") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   lite::PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                        const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.cc
index bdca34405f..44465ddb5c 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.cc
@@ -19,62 +19,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteDequantizeParser::Parse(TfliteTensorsInfo *tensors_info,
-                                     const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                     const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                     const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteDequantizeNParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  const auto &in_tensor = tflite_subgraph->tensors[tflite_op->inputs[0]];
-  if (in_tensor == nullptr) {
-    MS_LOG(ERROR) << "input tensor is null";
-    return RET_NULL_PTR;
-  }
-  const auto &out_tensor = tflite_subgraph->tensors[tflite_op->outputs[0]];
-  if (out_tensor == nullptr) {
-    MS_LOG(ERROR) << "output tensor is null";
-    return RET_NULL_PTR;
-  }
-  if (GetTfliteDataType(in_tensor->type) != GetTfliteDataType(out_tensor->type) &&
-      (GetTfliteDataType(in_tensor->type) == kNumberTypeInt8 ||
-       GetTfliteDataType(in_tensor->type) == kNumberTypeUInt8)) {
-    std::unique_ptr<schema::QuantDTypeCastT> attr = std::make_unique<schema::QuantDTypeCastT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    attr->srcT = GetTfliteDataType(in_tensor->type);
-    attr->dstT = GetTfliteDataType(out_tensor->type);
-    op->primitive->value.value = attr.release();
-    op->primitive->value.type = schema::PrimitiveType_QuantDTypeCast;
-  } else {
-    std::unique_ptr<schema::CastT> attr = std::make_unique<schema::CastT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    attr->srcT = GetTfliteDataType(in_tensor->type);
-    attr->dstT = GetTfliteDataType(out_tensor->type);
-    op->primitive->value.value = attr.release();
-    op->primitive->value.type = schema::PrimitiveType_Cast;
-  }
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteDequantizeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                        const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -115,6 +59,6 @@ PrimitiveC *TfliteDequantizeParser::ParseLitePrimitive(const std::unique_ptr<tfl
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteDequantizeParser("DEQUANTIZE", new TfliteDequantizeParser());
+TfliteNodeRegister g_tfliteDequantizeParser(tflite::BuiltinOperator_DEQUANTIZE, new TfliteDequantizeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.h
index d9944928d6..0f10bc922d 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_dequantize_parser.h
@@ -28,10 +28,6 @@ class TfliteDequantizeParser : public TfliteNodeParser {
  public:
   TfliteDequantizeParser() : TfliteNodeParser("Dequantize") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.cc
index adcab9769d..bbf5139744 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.cc
@@ -20,42 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteExpandDimsParser::Parse(TfliteTensorsInfo *tensors_info,
-                                     const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                     const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                     const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteExpandDimsParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ExpandDimsT> attr = std::make_unique<schema::ExpandDimsT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-  std::vector<int> dims;
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, dims)) {
-    MS_LOG(ERROR) << "get expand_dims -> dim failed";
-    return RET_ERROR;
-  }
-  attr->dim = dims[0];
-  op->primitive->value.type = schema::PrimitiveType_ExpandDims;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteExpandDimsParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                        const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -80,6 +44,6 @@ PrimitiveC *TfliteExpandDimsParser::ParseLitePrimitive(const std::unique_ptr<tfl
   primitive->value.value = attr.release();
   return PrimitiveC::Create(primitive.release());
 }
-TfliteNodeRegister g_tfliteExpandDimsParser("ExpandDims", new TfliteExpandDimsParser());
+TfliteNodeRegister g_tfliteExpandDimsParser(tflite::BuiltinOperator_EXPAND_DIMS, new TfliteExpandDimsParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.h
index 7169bb8c6c..4c4be4891c 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_expand_dims_parser.h
@@ -29,9 +29,6 @@ class TfliteExpandDimsParser : public TfliteNodeParser {
  public:
   TfliteExpandDimsParser() : TfliteNodeParser("ExpandDims") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.cc
index 1aa64ca07f..ee1195a6c7 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.cc
@@ -20,43 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteFillParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                               const std::unique_ptr<tflite::ModelT> &tflite_model,
-                               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteFillParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::FillT> attr = std::make_unique<schema::FillT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (tflite_op->inputs.size() > 1) {
-    if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->dims)) {
-      MS_LOG(ERROR) << "get fill -> dims failed";
-      return RET_ERROR;
-    }
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Fill;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteFillParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                  const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -84,6 +47,6 @@ PrimitiveC *TfliteFillParser::ParseLitePrimitive(const std::unique_ptr<tflite::O
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteFillParser("Fill", new TfliteFillParser());
+TfliteNodeRegister g_tfliteFillParser(tflite::BuiltinOperator_FILL, new TfliteFillParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.h
index ce4fb12fcd..bb0adcbcdf 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_fill_parser.h
@@ -29,10 +29,6 @@ class TfliteFillParser : public TfliteNodeParser {
  public:
   TfliteFillParser() : TfliteNodeParser("Fill") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.cc
index ebca042418..cb1099a33a 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.cc
@@ -20,55 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteFullyConnectedParser::Parse(TfliteTensorsInfo *tensors_info,
-                                         const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                         const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                         const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph,
-                                         schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteFullyConnectedParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::FullConnectionT> attr = std::make_unique<schema::FullConnectionT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsFullyConnectedOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name << " attr failed";
-    return RET_NULL_PTR;
-  }
-
-  bool hasBias = tflite_op->inputs.size() > 2 && tflite_op->inputs[2] != -1;
-
-  attr->hasBias = hasBias;
-  attr->axis = 1;
-  attr->useAxis = false;
-  attr->activationType = GetActivationFunctionType(tflite_attr->fused_activation_function);
-
-  op->primitive->value.type = schema::PrimitiveType_FullConnection;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_KHWC);
-  if (hasBias) {
-    AddOpInput(op, tensors_info, tflite_op->inputs[2], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteFullyConnectedParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                            const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -101,7 +52,8 @@ PrimitiveC *TfliteFullyConnectedParser::ParseLitePrimitive(const std::unique_ptr
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteFullyConnectedParser("FullyConnected", new TfliteFullyConnectedParser());
-TfliteNodeRegister g_tfliteFakeQuantParser("FakeQuant", new TfliteFullyConnectedParser());
+TfliteNodeRegister g_tfliteFullyConnectedParser(tflite::BuiltinOperator_FULLY_CONNECTED,
+                                                new TfliteFullyConnectedParser());
+TfliteNodeRegister g_tfliteFakeQuantParser(tflite::BuiltinOperator_FAKE_QUANT, new TfliteFullyConnectedParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.h
index af8caa994c..1150a29a4e 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_fullyconnected_parser.h
@@ -29,9 +29,6 @@ class TfliteFullyConnectedParser : public TfliteNodeParser {
  public:
   TfliteFullyConnectedParser() : TfliteNodeParser("FullyConnected") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.cc
index ab1ada4aa7..7188ead844 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.cc
@@ -20,40 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteGatherNdParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                   const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                   const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteGatherNdParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::GatherNdT> attr = std::make_unique<schema::GatherNdT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->batchDims = 0;
-
-  op->primitive->value.type = schema::PrimitiveType_GatherNd;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteGatherNdParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                      const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -75,6 +41,6 @@ PrimitiveC *TfliteGatherNdParser::ParseLitePrimitive(const std::unique_ptr<tflit
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteGatherNdParser("GatherND", new TfliteGatherNdParser());
+TfliteNodeRegister g_tfliteGatherNdParser(tflite::BuiltinOperator_GATHER_ND, new TfliteGatherNdParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.h
index 095220900c..b07fa9f058 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_nd_parser.h
@@ -29,9 +29,6 @@ class TfliteGatherNdParser : public TfliteNodeParser {
  public:
   TfliteGatherNdParser() : TfliteNodeParser("GatherND") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.cc
index a55bce231e..9aaf91d533 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.cc
@@ -20,46 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteGatherParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteGatherParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::GatherT> attr = std::make_unique<schema::GatherT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsGatherOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->axis = tflite_attr->axis;
-  attr->batchDims = 0;
-
-  op->primitive->value.type = schema::PrimitiveType_Gather;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteGatherParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -87,6 +47,6 @@ PrimitiveC *TfliteGatherParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteGatherParser("Gather", new TfliteGatherParser());
+TfliteNodeRegister g_tfliteGatherParser(tflite::BuiltinOperator_GATHER, new TfliteGatherParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.h
index 427f01c167..6485058427 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_gather_parser.h
@@ -29,9 +29,6 @@ class TfliteGatherParser : public TfliteNodeParser {
  public:
   TfliteGatherParser() : TfliteNodeParser("Gather") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.cc
index a98a7dae88..0b96b0a276 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.cc
@@ -20,41 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteHashtableLookupParser::Parse(TfliteTensorsInfo *tensors_info,
-                                          const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                          const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                          const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph,
-                                          schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteHashtableLookupParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::HashtableLookupT> attr = std::make_unique<schema::HashtableLookupT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_HashtableLookup;
-  op->primitive->value.value = attr.release();
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return RET_OK;
-}
 PrimitiveC *TfliteHashtableLookupParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                             const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -74,6 +39,7 @@ PrimitiveC *TfliteHashtableLookupParser::ParseLitePrimitive(const std::unique_pt
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteHashtableLookupParser("HashtableLookup", new TfliteHashtableLookupParser());
+TfliteNodeRegister g_tfliteHashtableLookupParser(tflite::BuiltinOperator_HASHTABLE_LOOKUP,
+                                                 new TfliteHashtableLookupParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.h
index 1af5fd118c..fc24430806 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_hashtable_lookup_parser.h
@@ -29,9 +29,6 @@ class TfliteHashtableLookupParser : public TfliteNodeParser {
  public:
   TfliteHashtableLookupParser() : TfliteNodeParser("HashtableLookup") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc
index b9ff61a67c..b7e3aaf8bd 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc
@@ -21,40 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteL2NormParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteL2NormParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::L2NormT> attr = std::make_unique<schema::L2NormT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-  const auto &tflite_attr = tflite_op->builtin_options.AsL2NormOptions();
-  attr->axis = {-1};
-  attr->epsilon = 1e-6f;
-  attr->activationType = GetActivationFunctionType(tflite_attr->fused_activation_function);
-
-  op->primitive->value.type = schema::PrimitiveType_L2Norm;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteL2NormParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   std::unique_ptr<schema::L2NormT> attr = std::make_unique<schema::L2NormT>();
@@ -77,6 +43,6 @@ PrimitiveC *TfliteL2NormParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteL2NormParser("L2_NORMALIZATION", new TfliteL2NormParser());
+TfliteNodeRegister g_tfliteL2NormParser(tflite::BuiltinOperator_L2_NORMALIZATION, new TfliteL2NormParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.h
index c1b897d5b1..7539d52f7d 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.h
@@ -29,9 +29,6 @@ class TfliteL2NormParser : public TfliteNodeParser {
  public:
   TfliteL2NormParser() : TfliteNodeParser("L2_NORMALIZATION") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.cc
index 3009a9d7fe..f65cdc093b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.cc
@@ -21,63 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteLogicalParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                  const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                  const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "LogicalAnd") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteLogicalAndParser";
-    std::unique_ptr<schema::LogicalAndT> attr = std::make_unique<schema::LogicalAndT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_LogicalAnd;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "LogicalNot") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteLogicalNotParser";
-    std::unique_ptr<schema::LogicalNotT> attr = std::make_unique<schema::LogicalNotT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_LogicalNot;
-    op->primitive->value.value = attr.release();
-  } else if (std::strcmp(node_name, "LogicalOr") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteLogicalOrParser";
-    std::unique_ptr<schema::LogicalOrT> attr = std::make_unique<schema::LogicalOrT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    op->primitive->value.type = schema::PrimitiveType_LogicalOr;
-    op->primitive->value.value = attr.release();
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteLogicalParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                     const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -117,8 +60,8 @@ PrimitiveC *TfliteLogicalParser::ParseLitePrimitive(const std::unique_ptr<tflite
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteLogicalAndParser("LogicalAnd", new TfliteLogicalParser());
-TfliteNodeRegister g_tfliteLogicalNotParser("LogicalNot", new TfliteLogicalParser());
-TfliteNodeRegister g_tfliteLogicalOrParser("LogicalOr", new TfliteLogicalParser());
+TfliteNodeRegister g_tfliteLogicalAndParser(tflite::BuiltinOperator_LOGICAL_AND, new TfliteLogicalParser());
+TfliteNodeRegister g_tfliteLogicalNotParser(tflite::BuiltinOperator_LOGICAL_NOT, new TfliteLogicalParser());
+TfliteNodeRegister g_tfliteLogicalOrParser(tflite::BuiltinOperator_LOGICAL_OR, new TfliteLogicalParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.h
index 8b60184581..9573f0d4cf 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_logical_parser.h
@@ -28,9 +28,6 @@ class TfliteLogicalParser : public TfliteNodeParser {
  public:
   TfliteLogicalParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.cc
index 82d63c30dd..af6f2c2558 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.cc
@@ -20,46 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteLRNParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                              const std::unique_ptr<tflite::ModelT> &tflite_model,
-                              const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteLRNParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::LocalResponseNormalizationT> attr = std::make_unique<schema::LocalResponseNormalizationT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsLocalResponseNormalizationOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->depth_radius = tflite_attr->radius;
-  attr->alpha = tflite_attr->alpha;
-  attr->beta = tflite_attr->beta;
-  attr->bias = tflite_attr->bias;
-
-  op->primitive->value.type = schema::PrimitiveType_LocalResponseNormalization;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteLRNParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                 const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -89,6 +49,6 @@ PrimitiveC *TfliteLRNParser::ParseLitePrimitive(const std::unique_ptr<tflite::Op
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteLRNParser("LocalResponseNorm", new TfliteLRNParser());
+TfliteNodeRegister g_tfliteLRNParser(tflite::BuiltinOperator_LOCAL_RESPONSE_NORMALIZATION, new TfliteLRNParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.h
index 869c955116..840b2bf67a 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_lrn_parser.h
@@ -29,9 +29,6 @@ class TfliteLRNParser : public TfliteNodeParser {
  public:
   TfliteLRNParser() : TfliteNodeParser("LocalResponseNorm") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc
index 103d1a94f2..e66fa261f7 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc
@@ -20,50 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteLshProjectionParser::Parse(TfliteTensorsInfo *tensors_info,
-                                        const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                        const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                        const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteLshProjectionParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::LshProjectionT> attr = std::make_unique<schema::LshProjectionT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsLSHProjectionOptions();
-  switch (tflite_attr->type) {
-    case tflite::LSHProjectionType_SPARSE:
-      attr->type = schema::LshProjectionType_SPARSE;
-      break;
-    case tflite::LSHProjectionType_DENSE:
-      attr->type = schema::LshProjectionType_DENSE;
-      break;
-    default:
-      attr->type = schema::LshProjectionType_UNKNOWN;
-  }
-  op->primitive->value.type = schema::PrimitiveType_LshProjection;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteLshProjectionParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                           const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -94,6 +50,6 @@ PrimitiveC *TfliteLshProjectionParser::ParseLitePrimitive(const std::unique_ptr<
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteLshProjectionParser("LshProjection", new TfliteLshProjectionParser());
+TfliteNodeRegister g_tfliteLshProjectionParser(tflite::BuiltinOperator_LSH_PROJECTION, new TfliteLshProjectionParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h
index 359ea23002..f3759d6ef6 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h
@@ -29,9 +29,6 @@ class TfliteLshProjectionParser : public TfliteNodeParser {
  public:
   TfliteLshProjectionParser() : TfliteNodeParser("LshProjection") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.cc
index 3eaaa702b1..61af580b70 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.cc
@@ -19,41 +19,28 @@
 #include <memory>
 #include <map>
 
-namespace mindspore {
-namespace lite {
-STATUS TfliteMatMulParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteMatMulParser";
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
+namespace mindspore::lite {
+PrimitiveC *TfliteMatMulParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
+                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "primitive is null";
+    return nullptr;
   }
 
   std::unique_ptr<schema::MatMulT> attr = std::make_unique<schema::MatMulT>();
   if (attr == nullptr) {
     MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
+    return nullptr;
   }
   const auto &tflite_attr = tflite_op->builtin_options.AsBatchMatMulOptions();
   attr->transposeA = tflite_attr->adj_x;
   attr->transposeB = tflite_attr->adj_y;
   attr->broadcast = false;
-  op->primitive->value.type = schema::PrimitiveType_MatMul;
-  op->primitive->value.value = attr.release();
+  primitive->value.type = schema::PrimitiveType_MatMul;
+  primitive->value.value = attr.release();
 
-  for (size_t i = 0; i < tflite_op->inputs.size(); i++) {
-    AddOpInput(op, tensors_info, tflite_op->inputs[i], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
+  return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteMatMulParser("MatMul", new TfliteMatMulParser());
-}  // namespace lite
-}  // namespace mindspore
+}  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.h
index 1f02bf4b9f..d23c8a429d 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_matmul_parser.h
@@ -23,17 +23,14 @@
 #include "tools/converter/parser/tflite/tflite_node_parser.h"
 #include "tools/converter/parser/tflite/tflite_node_parser_registry.h"
 
-namespace mindspore {
-namespace lite {
+namespace mindspore::lite {
 class TfliteMatMulParser : public TfliteNodeParser {
  public:
   TfliteMatMulParser() : TfliteNodeParser("MatMul") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
+  PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
+                                 const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
-}  // namespace lite
-}  // namespace mindspore
+}  // namespace mindspore::lite
 
 #endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_SLICE_PARSER_H
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc
index b9ed34bad0..3f548dd92e 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc
@@ -86,12 +86,12 @@ STATUS TfliteModelParser::ConvertOps() {
   STATUS status = RET_OK;
   int op_idx = 0;
   for (auto &op : tflite_subgraph->operators) {
-    auto tfliteOpType = (tflite_model_->operator_codes[op->opcode_index])->builtin_code;
-    auto op_type = GetMSOpType(tfliteOpType);
+    auto tflite_op_type = (tflite_model_->operator_codes[op->opcode_index])->builtin_code;
+    auto op_type = GetMSOpType(tflite_op_type);
     auto op_name = op_type + "-" + std::to_string(op_idx);
     op_idx++;
     // parse primitive
-    auto node_parser = TfliteNodeParserRegistry::GetInstance()->GetNodeParser(op_type);
+    auto node_parser = TfliteNodeParserRegistry::GetInstance()->GetNodeParser(tflite_op_type);
     if (node_parser == nullptr) {
       NoSupportOp::GetInstance()->InsertOp(op_type);
       status = (status == RET_OK ? RET_NOT_FIND_OP : status);
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser.h
index 4fa0698f36..3691cdbe5e 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser.h
@@ -38,52 +38,11 @@ class TfliteNodeParser {
 
   virtual ~TfliteNodeParser() = default;
 
-  virtual STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                       const std::unique_ptr<tflite::ModelT> &tflite_model,
-                       const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) = 0;
   virtual lite::PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                const std::unique_ptr<tflite::ModelT> &tflite_model) {
     return nullptr;
   }
 
-  static void AddOpInput(schema::CNodeT *op, TfliteTensorsInfo *tensors_info, int idx, int total,
-                         schema::Format format) {
-    MS_ASSERT(op != nullptr);
-    MS_ASSERT(tensors_info != nullptr);
-    int new_idx = tensors_info->tensorsId.size();
-    auto iter = tensors_info->tensorsIdMap.find(idx);
-    if (iter != tensors_info->tensorsIdMap.end()) {
-      op->inputIndex.emplace_back(iter->second);
-    } else {
-      if (idx < 0) {
-        idx += total;
-      }
-      tensors_info->tensorsId.emplace_back(idx);
-      tensors_info->tensorsFormat.emplace_back(format);
-      tensors_info->tensorsIdMap.insert(std::make_pair(idx, new_idx));
-      op->inputIndex.emplace_back(new_idx);
-    }
-  }
-
-  static void AddOpOutput(schema::CNodeT *op, TfliteTensorsInfo *tensors_info, int idx, int total,
-                          schema::Format format) {
-    MS_ASSERT(op != nullptr);
-    MS_ASSERT(tensors_info != nullptr);
-    int new_idx = tensors_info->tensorsId.size();
-    auto iter = tensors_info->tensorsIdMap.find(idx);
-    if (iter != tensors_info->tensorsIdMap.end()) {
-      op->outputIndex.emplace_back(iter->second);
-    } else {
-      if (idx < 0) {
-        idx += total;
-      }
-      tensors_info->tensorsId.emplace_back(idx);
-      tensors_info->tensorsFormat.emplace_back(format);
-      tensors_info->tensorsIdMap.insert(std::make_pair(idx, new_idx));
-      op->outputIndex.emplace_back(new_idx);
-    }
-  }
-
   template <typename T>
   STATUS GetTfliteData(const int32_t tensor_index, const std::vector<std::unique_ptr<tflite::TensorT>> &tflite_tensors,
                        const std::vector<std::unique_ptr<tflite::BufferT>> &tflite_model_buffer,
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.cc
index b420b99927..01452607e2 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.cc
@@ -34,8 +34,8 @@ TfliteNodeParserRegistry *TfliteNodeParserRegistry::GetInstance() {
   return &instance;
 }
 
-TfliteNodeParser *TfliteNodeParserRegistry::GetNodeParser(const std::string &name) {
-  auto it = parsers.find(name);
+TfliteNodeParser *TfliteNodeParserRegistry::GetNodeParser(const tflite::BuiltinOperator &type) {
+  auto it = parsers.find(type);
   if (it != parsers.end()) {
     return it->second;
   }
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.h b/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.h
index 214a9460ed..9332ad94c3 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_node_parser_registry.h
@@ -31,15 +31,15 @@ class TfliteNodeParserRegistry {
 
   static TfliteNodeParserRegistry *GetInstance();
 
-  TfliteNodeParser *GetNodeParser(const std::string &name);
+  TfliteNodeParser *GetNodeParser(const tflite::BuiltinOperator &type);
 
-  std::unordered_map<std::string, TfliteNodeParser *> parsers;
+  std::unordered_map<tflite::BuiltinOperator, TfliteNodeParser *> parsers;
 };
 
 class TfliteNodeRegister {
  public:
-  TfliteNodeRegister(const std::string &name, TfliteNodeParser *parser) {
-    TfliteNodeParserRegistry::GetInstance()->parsers[name] = parser;
+  TfliteNodeRegister(const tflite::BuiltinOperator &type, TfliteNodeParser *parser) {
+    TfliteNodeParserRegistry::GetInstance()->parsers[type] = parser;
   }
 };
 }  // namespace lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.cc
index 16b6cf7348..f3f08eb329 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.cc
@@ -20,50 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteOneHotParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteOneHotParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::OneHotT> attr = std::make_unique<schema::OneHotT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsOneHotOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->axis = tflite_attr->axis;
-
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive->value.type = schema::PrimitiveType_OneHot;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteOneHotParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -97,6 +53,6 @@ PrimitiveC *TfliteOneHotParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteOneHotParser("OneHot", new TfliteOneHotParser());
+TfliteNodeRegister g_tfliteOneHotParser(tflite::BuiltinOperator_ONE_HOT, new TfliteOneHotParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.h
index 2fd07b1cc4..d3a74d4741 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_one_hot_parser.h
@@ -29,9 +29,6 @@ class TfliteOneHotParser : public TfliteNodeParser {
  public:
   TfliteOneHotParser() : TfliteNodeParser("OneHot") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.cc
index 231843174f..68b9ced562 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.cc
@@ -21,75 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TflitePadParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                              const std::unique_ptr<tflite::ModelT> &tflite_model,
-                              const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TflitePadParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::PadT> attr = std::make_unique<schema::PadT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "Pad") == 0) {
-    const auto &tflite_attr = tflite_op->builtin_options.AsPadOptions();
-    if (tflite_attr == nullptr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    attr->paddingMode = schema::PaddingMode_CONSTANT;
-    attr->constantValue = 0.0f;
-    if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->paddings)) {
-      MS_LOG(ERROR) << "get pad -> paddings failed";
-      return RET_ERROR;
-    }
-  } else if (std::strcmp(node_name, "MirrorPad") == 0) {
-    const auto &tflite_attr = tflite_op->builtin_options.AsMirrorPadOptions();
-    if (tflite_attr == nullptr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    switch (tflite_attr->mode) {
-      case tflite::MirrorPadMode_REFLECT:
-        attr->paddingMode = schema::PaddingMode_REFLECT;
-        break;
-      case tflite::MirrorPadMode_SYMMETRIC:
-        attr->paddingMode = schema::PaddingMode_SYMMETRIC;
-        break;
-      default:
-        MS_LOG(ERROR) << "paddingmode:" << tflite_attr->mode << " don't support";
-        return RET_NOT_SUPPORT;
-    }
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Pad;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  if (std::strcmp(node_name, "MirrorPad") == 0) {
-    AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TflitePadParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                 const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -144,7 +75,7 @@ PrimitiveC *TflitePadParser::ParseLitePrimitive(const std::unique_ptr<tflite::Op
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tflitePadParser("Pad", new TflitePadParser());
-TfliteNodeRegister g_tfliteMirorPadParser("MirrorPad", new TflitePadParser());
+TfliteNodeRegister g_tflitePadParser(tflite::BuiltinOperator_PAD, new TflitePadParser());
+TfliteNodeRegister g_tfliteMirorPadParser(tflite::BuiltinOperator_MIRROR_PAD, new TflitePadParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.h
index c166b3ecd1..9a5648356a 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_pad_parser.h
@@ -29,9 +29,6 @@ class TflitePadParser : public TfliteNodeParser {
  public:
   TflitePadParser() : TfliteNodeParser("Pad") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc
index 9dd2843655..1bdc80acb2 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc
@@ -20,76 +20,6 @@
 #include <string>
 
 namespace mindspore::lite {
-STATUS TflitePoolingParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                  const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                  const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::PoolingT> attr = std::make_unique<schema::PoolingT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  auto tflite_op_type = (tflite_model->operator_codes[tflite_op->opcode_index])->builtin_code;
-  if (tflite_op_type == tflite::BuiltinOperator_AVERAGE_POOL_2D) {
-    attr->poolingMode = schema::PoolMode_MEAN_POOLING;
-  } else if (tflite_op_type == tflite::BuiltinOperator_MAX_POOL_2D) {
-    attr->poolingMode = schema::PoolMode_MAX_POOLING;
-  } else {
-    MS_LOG(ERROR) << "pooling mode " << tflite_op_type << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsPool2DOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->windowW = tflite_attr->filter_width;
-  attr->windowH = tflite_attr->filter_height;
-  attr->strideW = tflite_attr->stride_w;
-  attr->strideH = tflite_attr->stride_h;
-  attr->padMode = GetPadMode(tflite_attr->padding);
-  attr->format = schema::Format::Format_NHWC;
-  attr->global = false;
-  attr->roundMode = schema::RoundMode_FLOOR;
-  attr->activationType = GetActivationFunctionType(tflite_attr->fused_activation_function);
-
-  // calculate pad params
-  auto data_index = tflite_op->inputs[0];
-  const auto &data_tensor = tflite_subgraph->tensors[data_index];
-  std::vector<int64_t> params;
-  int status =
-    getPaddingParam(data_tensor, attr->padMode, attr->strideH, attr->strideW, attr->windowH, attr->windowW, &params);
-  if (status != RET_OK && status != RET_NO_CHANGE) {
-    MS_LOG(ERROR) << "get padding params failed";
-    return RET_ERROR;
-  } else if (status == RET_OK) {
-    attr->padUp = params.at(0);
-    attr->padDown = params.at(1);
-    attr->padLeft = params.at(2);
-    attr->padRight = params.at(3);
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Pooling;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 lite::PrimitiveC *TflitePoolingParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                           const std::unique_ptr<tflite::ModelT> &tflite_model) {
   const auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -142,6 +72,6 @@ lite::PrimitiveC *TflitePoolingParser::ParseLitePrimitive(const std::unique_ptr<
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteMeanPoolingParser("MeanPooling", new TflitePoolingParser());
-TfliteNodeRegister g_tfliteMaxPoolingParser("MaxPooling", new TflitePoolingParser());
+TfliteNodeRegister g_tfliteMeanPoolingParser(tflite::BuiltinOperator_AVERAGE_POOL_2D, new TflitePoolingParser());
+TfliteNodeRegister g_tfliteMaxPoolingParser(tflite::BuiltinOperator_MAX_POOL_2D, new TflitePoolingParser());
 }  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.h
index 48ec978ef3..58d2c1869a 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.h
@@ -28,9 +28,6 @@ class TflitePoolingParser : public TfliteNodeParser {
  public:
   TflitePoolingParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   lite::PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                        const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.cc
index 42c49aa7e8..ce4ebc61fa 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.cc
@@ -21,37 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TflitePReLUParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TflitePReLUParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::PReLUT> attr = std::make_unique<schema::PReLUT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-  attr->channelShared = true;
-  op->primitive->value.type = schema::PrimitiveType_PReLU;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TflitePReLUParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -71,6 +40,6 @@ PrimitiveC *TflitePReLUParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tflitePReLUParser("PRELU", new TflitePReLUParser());
+TfliteNodeRegister g_tflitePReLUParser(tflite::BuiltinOperator_PRELU, new TflitePReLUParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.h
index 8d46d72be2..5c83b82c22 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_prelu_parser.h
@@ -29,9 +29,6 @@ class TflitePReLUParser : public TfliteNodeParser {
  public:
   TflitePReLUParser() : TfliteNodeParser("PRELU") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.cc
index 7688b55cfc..0c61348cba 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.cc
@@ -19,61 +19,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteQuantizeParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                   const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                   const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteQuantizeNParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  const auto &in_tensor = tflite_subgraph->tensors[tflite_op->inputs[0]];
-  if (in_tensor == nullptr) {
-    MS_LOG(ERROR) << "input tensor is null";
-    return RET_NULL_PTR;
-  }
-  const auto &out_tensor = tflite_subgraph->tensors[tflite_op->outputs[0]];
-  if (out_tensor == nullptr) {
-    MS_LOG(ERROR) << "output tensor is null";
-    return RET_NULL_PTR;
-  }
-  if (GetTfliteDataType(in_tensor->type) != GetTfliteDataType(out_tensor->type) &&
-      (GetTfliteDataType(out_tensor->type) == kNumberTypeInt8 ||
-       GetTfliteDataType(out_tensor->type) == kNumberTypeUInt8)) {
-    std::unique_ptr<schema::QuantDTypeCastT> attr = std::make_unique<schema::QuantDTypeCastT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    attr->srcT = GetTfliteDataType(in_tensor->type);
-    attr->dstT = GetTfliteDataType(out_tensor->type);
-    op->primitive->value.type = schema::PrimitiveType_QuantDTypeCast;
-    op->primitive->value.value = attr.release();
-  } else {
-    std::unique_ptr<schema::CastT> attr = std::make_unique<schema::CastT>();
-    if (attr == nullptr) {
-      MS_LOG(ERROR) << "new op failed";
-      return RET_NULL_PTR;
-    }
-    attr->srcT = GetTfliteDataType(in_tensor->type);
-    attr->dstT = GetTfliteDataType(out_tensor->type);
-    op->primitive->value.type = schema::PrimitiveType_Cast;
-    op->primitive->value.value = attr.release();
-  }
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteQuantizeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                      const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -119,6 +64,6 @@ PrimitiveC *TfliteQuantizeParser::ParseLitePrimitive(const std::unique_ptr<tflit
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteQuantizeParser("QUANTIZE", new TfliteQuantizeParser());
+TfliteNodeRegister g_tfliteQuantizeParser(tflite::BuiltinOperator_QUANTIZE, new TfliteQuantizeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.h
index de92daa604..e799b0b6f4 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_quantize_parser.h
@@ -28,9 +28,6 @@ class TfliteQuantizeParser : public TfliteNodeParser {
  public:
   TfliteQuantizeParser() : TfliteNodeParser("Quantize") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.cc
index 9dda4059e2..34d3221550 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.cc
@@ -20,57 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteRangeParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteRangeParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::RangeT> attr = std::make_unique<schema::RangeT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->dType = 0;
-  std::vector<int> limit;
-  std::vector<int> delta;
-  int status = GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, limit);
-  if (status != RET_OK && status != RET_NO_CHANGE) {
-    MS_LOG(ERROR) << "range -> limit get failed";
-    return RET_ERROR;
-  } else if (status == RET_OK) {
-    status = GetTfliteData(tflite_op->inputs[2], tflite_subgraph->tensors, tflite_model->buffers, delta);
-    if (status != RET_OK && status != RET_NO_CHANGE) {
-      MS_LOG(ERROR) << "stridedSlice -> end get failed";
-      return RET_ERROR;
-    }
-  }
-  if (status == RET_OK) {
-    attr->limit = limit.front();
-    attr->delta = delta.front();
-  }
-  op->primitive->value.type = schema::PrimitiveType_Range;
-  op->primitive->value.value = attr.release();
-
-  int input_num = status == RET_OK ? 1 : 3;
-  for (int i = 0; i < input_num; ++i) {
-    AddOpInput(op, tensors_info, tflite_op->inputs[i], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteRangeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -109,6 +58,6 @@ PrimitiveC *TfliteRangeParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteRangeParser("Range", new TfliteRangeParser());
+TfliteNodeRegister g_tfliteRangeParser(tflite::BuiltinOperator_RANGE, new TfliteRangeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.h
index cdebb1bc39..7b294d7630 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_range_parser.h
@@ -29,9 +29,6 @@ class TfliteRangeParser : public TfliteNodeParser {
  public:
   TfliteRangeParser() : TfliteNodeParser("Range") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.cc
index bb1cd0323e..d4538eaf93 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.cc
@@ -20,36 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteRankParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                               const std::unique_ptr<tflite::ModelT> &tflite_model,
-                               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteRankParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::RankT> attr = std::make_unique<schema::RankT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Rank;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteRankParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                  const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -69,6 +39,6 @@ PrimitiveC *TfliteRankParser::ParseLitePrimitive(const std::unique_ptr<tflite::O
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteRankParser("Rank", new TfliteRankParser());
+TfliteNodeRegister g_tfliteRankParser(tflite::BuiltinOperator_RANK, new TfliteRankParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.h
index 629026be8d..499cc6e630 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_rank_parser.h
@@ -29,9 +29,6 @@ class TfliteRankParser : public TfliteNodeParser {
  public:
   TfliteRankParser() : TfliteNodeParser("Rank") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.cc
index 921b583491..9bc4b43cc4 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.cc
@@ -21,70 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteReduceParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ReduceT> attr = std::make_unique<schema::ReduceT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsReducerOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->keepDims = tflite_attr->keep_dims;
-
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "ReduceMax") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteReduceMaxParser";
-    attr->mode = schema::ReduceMode_ReduceMax;
-  } else if (std::strcmp(node_name, "ReduceMin") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteReduceMinParser";
-    attr->mode = schema::ReduceMode_ReduceMin;
-  } else if (std::strcmp(node_name, "ReduceProd") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteReduceProdParser";
-    attr->mode = schema::ReduceMode_ReduceProd;
-  } else if (std::strcmp(node_name, "Sum") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteSumParser";
-    attr->mode = schema::ReduceMode_ReduceSum;
-  } else if (std::strcmp(node_name, "Mean") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteMeanParser";
-    attr->mode = schema::ReduceMode_ReduceMean;
-  } else {
-    MS_LOG(ERROR) << node_name << " hasn't been supported";
-    return RET_NOT_FIND_OP;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->axes)) {
-    MS_LOG(ERROR) << "get reduce -> axes failed";
-    return RET_ERROR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Reduce;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteReduceParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -139,11 +75,11 @@ PrimitiveC *TfliteReduceParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_TfliteSumParser("Sum", new TfliteReduceParser());
-TfliteNodeRegister g_TfliteMeanParser("Mean", new TfliteReduceParser());
-TfliteNodeRegister g_TfliteReduceMaxParser("ReduceMax", new TfliteReduceParser());
-TfliteNodeRegister g_TfliteReduceMinParser("ReduceMin", new TfliteReduceParser());
-TfliteNodeRegister g_TfliteReduceProdParser("ReduceProd", new TfliteReduceParser());
-TfliteNodeRegister g_TfliteReduceAnyParser("ReduceAny", new TfliteReduceParser());
+TfliteNodeRegister g_TfliteSumParser(tflite::BuiltinOperator_SUM, new TfliteReduceParser());
+TfliteNodeRegister g_TfliteMeanParser(tflite::BuiltinOperator_MEAN, new TfliteReduceParser());
+TfliteNodeRegister g_TfliteReduceMaxParser(tflite::BuiltinOperator_REDUCE_MAX, new TfliteReduceParser());
+TfliteNodeRegister g_TfliteReduceMinParser(tflite::BuiltinOperator_REDUCE_MIN, new TfliteReduceParser());
+TfliteNodeRegister g_TfliteReduceProdParser(tflite::BuiltinOperator_REDUCE_PROD, new TfliteReduceParser());
+TfliteNodeRegister g_TfliteReduceAnyParser(tflite::BuiltinOperator_REDUCE_ANY, new TfliteReduceParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.h
index 4ecfa5ade5..f4e949651e 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reduce_parser.h
@@ -28,9 +28,6 @@ class TfliteReduceParser : public TfliteNodeParser {
  public:
   TfliteReduceParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.cc
index 92185346c3..b42b24a170 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.cc
@@ -19,69 +19,6 @@
 #include <memory>
 
 namespace mindspore::lite {
-STATUS TfliteReshapeParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                  const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                  const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  MS_LOG(DEBUG) << "parse TfliteReshapeParser";
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ReshapeT> attr = std::make_unique<schema::ReshapeT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsReshapeOptions();
-  if (tflite_attr == nullptr) {
-    if (tflite_op->inputs.size() < 2) {
-      MS_LOG(ERROR) << "expected two input tensors, but got: " << tflite_op->inputs.size();
-      return RET_ERROR;
-    }
-    auto shape_tensor_index = tflite_op->inputs[1];
-    const auto &shape_tensor = tflite_subgraph->tensors[shape_tensor_index];
-    if (shape_tensor == nullptr) {
-      MS_LOG(ERROR) << "shape_tensor is null";
-      return RET_NULL_PTR;
-    }
-    auto &buf_data = tflite_model->buffers[shape_tensor->buffer];
-    if (buf_data == nullptr) {
-      MS_LOG(ERROR) << "buf_data is null";
-      return RET_NULL_PTR;
-    }
-    if (!buf_data->data.empty()) {
-      if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->shape)) {
-        MS_LOG(ERROR) << "get reshape -> shape failed";
-        return RET_ERROR;
-      }
-    }
-  } else {
-    attr->format = schema::Format::Format_NHWC;
-    attr->shape.resize(tflite_attr->new_shape.size());
-    for (size_t i = 0; i < tflite_attr->new_shape.size(); ++i) {
-      attr->shape[i] = tflite_attr->new_shape[i];
-    }
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Reshape;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 lite::PrimitiveC *TfliteReshapeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                           const std::unique_ptr<tflite::ModelT> &tflite_model) {
   const auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -127,5 +64,5 @@ lite::PrimitiveC *TfliteReshapeParser::ParseLitePrimitive(const std::unique_ptr<
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteReshapeParser("Reshape", new TfliteReshapeParser());
+TfliteNodeRegister g_tfliteReshapeParser(tflite::BuiltinOperator_RESHAPE, new TfliteReshapeParser());
 }  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.h
index 9ac8908245..88f9cfe4f2 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reshape_parser.h
@@ -28,10 +28,6 @@ class TfliteReshapeParser : public TfliteNodeParser {
  public:
   TfliteReshapeParser() : TfliteNodeParser("Reshape") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   lite::PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                        const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.cc
index 50db0619c8..321996162e 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.cc
@@ -22,104 +22,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteResizeParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ResizeT> attr = std::make_unique<schema::ResizeT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-  attr->coordinateTransformMode = schema::CoordinateTransformMode_COMMON;
-  std::vector<std::string> node_name_str;
-  Split(op->name, &node_name_str, "-");
-  const char *node_name = node_name_str.data()->c_str();
-  if (std::strcmp(node_name, "ResizeBilinear") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteResizeBilinearParser";
-    const auto &tfliteAttr = tflite_op->builtin_options.AsResizeBilinearOptions();
-    if (tfliteAttr == nullptr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    if (tfliteAttr->align_corners) {
-      attr->alignCorners = tfliteAttr->align_corners;
-      attr->coordinateTransformMode = schema::CoordinateTransformMode_ALIGN_CORNERS;
-    }
-    if (tfliteAttr->half_pixel_centers) {
-      attr->coordinateTransformMode = (attr->coordinateTransformMode == schema::CoordinateTransformMode_COMMON
-                                         ? schema::CoordinateTransformMode_TF_HALF_PIXEL
-                                         : schema::CoordinateTransformMode_ALIGN_CORNERS_WITH_HALF_PIEXL);
-    }
-    attr->method = schema::ResizeMethod_LINEAR;
-  } else if (std::strcmp(node_name, "NearestNeighbor") == 0) {
-    MS_LOG(DEBUG) << "parse TfliteResizeNearestNeighborParser";
-    const auto &tfliteAttr = tflite_op->builtin_options.AsResizeNearestNeighborOptions();
-    if (tfliteAttr == nullptr) {
-      MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-      return RET_NULL_PTR;
-    }
-    if (tfliteAttr->align_corners) {
-      attr->alignCorners = tfliteAttr->align_corners;
-      attr->coordinateTransformMode = schema::CoordinateTransformMode_ALIGN_CORNERS;
-    }
-    if (tfliteAttr->half_pixel_centers) {
-      attr->coordinateTransformMode = (attr->coordinateTransformMode == schema::CoordinateTransformMode_COMMON
-                                         ? schema::CoordinateTransformMode_TF_HALF_PIXEL
-                                         : schema::CoordinateTransformMode_ALIGN_CORNERS_WITH_HALF_PIEXL);
-    }
-    attr->method = schema::ResizeMethod_NEAREST;
-    attr->nearestMode = schema::NearestMode_NORMAL;
-  } else {
-    MS_LOG(ERROR) << "wrong resize type";
-    return RET_ERROR;
-  }
-
-  attr->format = schema::Format::Format_NHWC;
-  attr->preserveAspectRatio = false;
-
-  auto tfliteResizeTensorIndex = tflite_op->inputs[1];
-  const auto &shape_tensor = tflite_subgraph->tensors[tfliteResizeTensorIndex];
-  if (shape_tensor == nullptr) {
-    MS_LOG(ERROR) << "shape_tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto resizeTensorBufferIndex = shape_tensor->buffer;
-  const auto &buff = tflite_model->buffers.at(resizeTensorBufferIndex);
-  if (buff == nullptr) {
-    MS_LOG(ERROR) << "buff_data is null";
-    return RET_NULL_PTR;
-  }
-  auto buffData = reinterpret_cast<int32_t *>(buff->data.data());
-  if (buffData != nullptr) {
-    auto height = buffData[0];
-    auto width = buffData[1];
-    attr->newWidth = width;
-    attr->newHeight = height;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Resize;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  if (buffData == nullptr) {
-    AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteResizeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -204,7 +106,8 @@ PrimitiveC *TfliteResizeParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteResizeBilinearParser("ResizeBilinear", new TfliteResizeParser());
-TfliteNodeRegister g_tfliteResizeNearestNeighborParser("NearestNeighbor", new TfliteResizeParser());
+TfliteNodeRegister g_tfliteResizeBilinearParser(tflite::BuiltinOperator_RESIZE_BILINEAR, new TfliteResizeParser());
+TfliteNodeRegister g_tfliteResizeNearestNeighborParser(tflite::BuiltinOperator_RESIZE_NEAREST_NEIGHBOR,
+                                                       new TfliteResizeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.h
index 896ef20bab..d9c76fa7d0 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_resize_parser.h
@@ -28,9 +28,6 @@ class TfliteResizeParser : public TfliteNodeParser {
  public:
   TfliteResizeParser() : TfliteNodeParser("node_name") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.cc
index 7368eced67..21b1fafae7 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.cc
@@ -20,41 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteReverseParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                  const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                  const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteReverseParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ReverseT> attr = std::make_unique<schema::ReverseT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->axis)) {
-    MS_LOG(ERROR) << "get reverse -> axis failed";
-    return RET_ERROR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Reverse;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteReverseParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                     const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -80,6 +45,6 @@ PrimitiveC *TfliteReverseParser::ParseLitePrimitive(const std::unique_ptr<tflite
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteReverseParser("reverse", new TfliteReverseParser());
+TfliteNodeRegister g_tfliteReverseParser(tflite::BuiltinOperator_REVERSE_V2, new TfliteReverseParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.h
index 0b1a270df4..dd6b87d375 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_parser.h
@@ -29,9 +29,6 @@ class TfliteReverseParser : public TfliteNodeParser {
  public:
   TfliteReverseParser() : TfliteNodeParser("reverse") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.cc
index c5f8b7fa6a..ca0e4cf243 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.cc
@@ -21,47 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteReverseSequenceParser::Parse(TfliteTensorsInfo *tensors_info,
-                                          const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                          const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                          const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph,
-                                          schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteReverseSequenceParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ReverseSequenceT> attr = std::make_unique<schema::ReverseSequenceT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsReverseSequenceOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->seqAxis = tflite_attr->seq_dim;
-  attr->batchAxis = tflite_attr->batch_dim;
-
-  op->primitive->value.type = schema::PrimitiveType_ReverseSequence;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteReverseSequenceParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                             const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -89,6 +48,7 @@ PrimitiveC *TfliteReverseSequenceParser::ParseLitePrimitive(const std::unique_pt
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteReverseSequenceParser("ReverseSequence", new TfliteReverseSequenceParser());
+TfliteNodeRegister g_tfliteReverseSequenceParser(tflite::BuiltinOperator_REVERSE_SEQUENCE,
+                                                 new TfliteReverseSequenceParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.h
index ab11a933d0..0118360222 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_reverse_sequence_parser.h
@@ -29,9 +29,6 @@ class TfliteReverseSequenceParser : public TfliteNodeParser {
  public:
   TfliteReverseSequenceParser() : TfliteNodeParser("ReverseSequence") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.cc
index 5408eee8e4..44cba14764 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.cc
@@ -20,44 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteScatterNdParser::Parse(TfliteTensorsInfo *tensors_info,
-                                    const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                    const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                    const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteScatterNdParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ScatterNDT> attr = std::make_unique<schema::ScatterNDT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsScatterNdOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name << " attr failed";
-    return RET_NULL_PTR;
-  }
-  op->primitive->value.type = schema::PrimitiveType_ScatterND;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[2], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteScatterNdParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                       const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -82,6 +44,6 @@ PrimitiveC *TfliteScatterNdParser::ParseLitePrimitive(const std::unique_ptr<tfli
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteScatterNdParser("ScatterNd", new TfliteScatterNdParser());
+TfliteNodeRegister g_tfliteScatterNdParser(tflite::BuiltinOperator_SCATTER_ND, new TfliteScatterNdParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.h
index 7ea31fadd1..0c3a294b74 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_scatter_nd_parser.h
@@ -29,9 +29,6 @@ class TfliteScatterNdParser : public TfliteNodeParser {
  public:
   TfliteScatterNdParser() : TfliteNodeParser("ScatterNd") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.cc
index 8853fca811..7e1b390de3 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.cc
@@ -20,36 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteShapeParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteShapeParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ShapeT> attr = std::make_unique<schema::ShapeT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Shape;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteShapeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -69,6 +39,6 @@ PrimitiveC *TfliteShapeParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteShapeParser("Shape", new TfliteShapeParser());
+TfliteNodeRegister g_tfliteShapeParser(tflite::BuiltinOperator_SHAPE, new TfliteShapeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.h
index 5085c15889..5e783348b4 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_shape_parser.h
@@ -29,9 +29,6 @@ class TfliteShapeParser : public TfliteNodeParser {
  public:
   TfliteShapeParser() : TfliteNodeParser("Shape") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.cc
index 6378f71adf..5e6efaaaa8 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.cc
@@ -20,45 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSkipGramParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                   const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                   const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSkipGramParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SkipGramT> attr = std::make_unique<schema::SkipGramT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsSkipGramOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->includeAllGrams = tflite_attr->include_all_ngrams;
-  attr->maxSkipSize = tflite_attr->max_skip_size;
-  attr->ngramSize = tflite_attr->ngram_size;
-
-  op->primitive->value.type = schema::PrimitiveType_SkipGram;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteSkipGramParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                      const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -87,6 +48,6 @@ PrimitiveC *TfliteSkipGramParser::ParseLitePrimitive(const std::unique_ptr<tflit
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSkiGramParser("SKipGram", new TfliteSkipGramParser());
+TfliteNodeRegister g_tfliteSkiGramParser(tflite::BuiltinOperator_SKIP_GRAM, new TfliteSkipGramParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.h
index 369b8ed13f..c52ce1f203 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_skip_gram_parser.h
@@ -29,9 +29,6 @@ class TfliteSkipGramParser : public TfliteNodeParser {
  public:
   TfliteSkipGramParser() : TfliteNodeParser("SkipGram") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.cc
index d5a62250e0..dd6c92fe22 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.cc
@@ -20,52 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSliceParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSliceParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SliceT> attr = std::make_unique<schema::SliceT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->format = schema::Format::Format_NHWC;
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->begin)) {
-    MS_LOG(ERROR) << "get slice -> begin failed";
-    return RET_ERROR;
-  }
-  if (GetTfliteData(tflite_op->inputs[2], tflite_subgraph->tensors, tflite_model->buffers, attr->size)) {
-    MS_LOG(ERROR) << "get slice -> size failed";
-    return RET_ERROR;
-  }
-  std::vector<int> axes;
-  axes.clear();
-  for (size_t i = 0; i < attr->begin.size(); ++i) {
-    axes.push_back(i);
-  }
-  attr->axes = axes;
-  op->primitive->value.type = schema::PrimitiveType_Slice;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteSliceParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -102,6 +56,6 @@ PrimitiveC *TfliteSliceParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSliceParser("Slice", new TfliteSliceParser());
+TfliteNodeRegister g_tfliteSliceParser(tflite::BuiltinOperator_SLICE, new TfliteSliceParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.h
index f6ffd1ddb1..e18511edac 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_slice_parser.h
@@ -29,9 +29,6 @@ class TfliteSliceParser : public TfliteNodeParser {
  public:
   TfliteSliceParser() : TfliteNodeParser("Slice") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.cc
index 27d515f924..b5e30d7635 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.cc
@@ -19,38 +19,6 @@
 #include <memory>
 
 namespace mindspore::lite {
-STATUS TfliteSoftmaxParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                  const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                  const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSoftmaxParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SoftMaxT> attr = std::make_unique<schema::SoftMaxT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->axis = -1;
-
-  op->primitive->value.type = schema::PrimitiveType_SoftMax;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 
 PrimitiveC *TfliteSoftmaxParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                     const std::unique_ptr<tflite::ModelT> &tflite_model) {
@@ -67,5 +35,5 @@ PrimitiveC *TfliteSoftmaxParser::ParseLitePrimitive(const std::unique_ptr<tflite
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSoftmaxParser("Softmax", new TfliteSoftmaxParser());
+TfliteNodeRegister g_tfliteSoftmaxParser(tflite::BuiltinOperator_SOFTMAX, new TfliteSoftmaxParser());
 }  // namespace mindspore::lite
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.h
index 9339feba60..4d060a3b09 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_softmax_parser.h
@@ -28,10 +28,6 @@ class TfliteSoftmaxParser : public TfliteNodeParser {
  public:
   TfliteSoftmaxParser() : TfliteNodeParser("Softmax") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
-
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.cc
index fcebe459e8..db6524d7ec 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.cc
@@ -21,47 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSpaceToBatchNDParser::Parse(TfliteTensorsInfo *tensors_info,
-                                         const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                         const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                         const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph,
-                                         schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSpaceToBatchNDParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SpaceToBatchNDT> attr = std::make_unique<schema::SpaceToBatchNDT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->blockShape)) {
-    MS_LOG(ERROR) << "get spaceToBatchND -> blockShape failed";
-    return RET_ERROR;
-  }
-  if (GetTfliteData(tflite_op->inputs[2], tflite_subgraph->tensors, tflite_model->buffers, attr->paddings)) {
-    MS_LOG(ERROR) << "get spaceToBatchND -> paddings failed";
-    return RET_ERROR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_SpaceToBatchND;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteSpaceToBatchNDParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                            const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -91,6 +50,7 @@ PrimitiveC *TfliteSpaceToBatchNDParser::ParseLitePrimitive(const std::unique_ptr
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSpaceToBatchNDParser("SpaceToBatchND", new TfliteSpaceToBatchNDParser());
+TfliteNodeRegister g_tfliteSpaceToBatchNDParser(tflite::BuiltinOperator_SPACE_TO_BATCH_ND,
+                                                new TfliteSpaceToBatchNDParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.h
index fa55f1d681..e7b0e4ae40 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_batch_nd_parser.h
@@ -29,9 +29,6 @@ class TfliteSpaceToBatchNDParser : public TfliteNodeParser {
  public:
   TfliteSpaceToBatchNDParser() : TfliteNodeParser("SpaceToBatchND") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.cc
index 863e0c5d2c..dabe71094b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.cc
@@ -21,45 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSpaceToDepthParser::Parse(TfliteTensorsInfo *tensors_info,
-                                       const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                       const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                       const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSpaceToDepthParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SpaceToDepthT> attr = std::make_unique<schema::SpaceToDepthT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsSpaceToDepthOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op:" << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->blockSize = tflite_attr->block_size;
-  attr->format = schema::Format::Format_NHWC;
-
-  op->primitive->value.type = schema::PrimitiveType_SpaceToDepth;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteSpaceToDepthParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                          const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -87,6 +48,6 @@ PrimitiveC *TfliteSpaceToDepthParser::ParseLitePrimitive(const std::unique_ptr<t
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSpaceToDepthParser("SpaceToDepth", new TfliteSpaceToDepthParser());
+TfliteNodeRegister g_tfliteSpaceToDepthParser(tflite::BuiltinOperator_SPACE_TO_DEPTH, new TfliteSpaceToDepthParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.h
index f2c4c110ae..7fc2bfdf0b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_space_to_depth_parser.h
@@ -29,9 +29,6 @@ class TfliteSpaceToDepthParser : public TfliteNodeParser {
  public:
   TfliteSpaceToDepthParser() : TfliteNodeParser("SpaceToDepth") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.cc
index b1cd394429..a7e793a59a 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.cc
@@ -21,42 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSparseToDenseParser::Parse(TfliteTensorsInfo *tensors_info,
-                                        const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                        const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                        const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSparseToDenseParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SparseToDenseT> attr = std::make_unique<schema::SparseToDenseT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->validateIndices = false;
-
-  op->primitive->value.type = schema::PrimitiveType_SparseToDense;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[2], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[3], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteSparseToDenseParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                           const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -77,6 +41,7 @@ PrimitiveC *TfliteSparseToDenseParser::ParseLitePrimitive(const std::unique_ptr<
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSparseToDenseParser("SparseToDense", new TfliteSparseToDenseParser());
+TfliteNodeRegister g_tfliteSparseToDenseParser(tflite::BuiltinOperator_SPARSE_TO_DENSE,
+                                               new TfliteSparseToDenseParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.h
index 6cefe92a67..78a91f4c0b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_sparse_to_dense_parser.h
@@ -29,9 +29,6 @@ class TfliteSparseToDenseParser : public TfliteNodeParser {
  public:
   TfliteSparseToDenseParser() : TfliteNodeParser("SparseToDense") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.cc
index 12bd11c550..b43ca08ece 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.cc
@@ -21,81 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSplitParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSplitParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SplitT> attr = std::make_unique<schema::SplitT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsSplitOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name << " attr failed";
-    return RET_NULL_PTR;
-  }
-  auto num_splits = tflite_attr->num_splits;
-
-  const auto &shape_tensor = tflite_subgraph->tensors[tflite_op->inputs[1]];
-  if (shape_tensor == nullptr) {
-    MS_LOG(ERROR) << "shape_tensor is null";
-    return RET_NULL_PTR;
-  }
-  const auto tensor_shape = shape_tensor->shape;
-
-  const auto &axis_tensor = tflite_subgraph->tensors[tflite_op->inputs[0]];
-  if (axis_tensor == nullptr) {
-    MS_LOG(ERROR) << "axis_tensor is null";
-    return RET_NULL_PTR;
-  }
-  auto axis = *(reinterpret_cast<int32_t *>(tflite_model->buffers[axis_tensor->buffer]->data.data()));
-  if (axis < 0) {
-    axis += tensor_shape.size();
-  }
-  if (axis >= static_cast<int>(tensor_shape.size())) {
-    MS_LOG(ERROR) << "axis value is too large";
-    return RET_ERROR;
-  }
-  attr->splitDim = axis;
-  if (num_splits == 0) {
-    MS_LOG(ERROR) << "Divide-by-zero error!";
-    return RET_ERROR;
-  }
-  if (tensor_shape[axis] % num_splits != 0 && tensor_shape[axis] / num_splits != 0) {
-    MS_LOG(ERROR) << "num_splits can't divide tensor's length at axis " << axis;
-    return RET_ERROR;
-  }
-  attr->numberSplit = num_splits;
-  if (tensor_shape[axis] / num_splits != 0) {
-    for (int i = 0; i < num_splits; i++) {
-      attr->sizeSplits.push_back(tensor_shape[axis] / num_splits);
-    }
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Split;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return RET_OK;
-}
 PrimitiveC *TfliteSplitParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -154,6 +79,6 @@ PrimitiveC *TfliteSplitParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSplitParser("Split", new TfliteSplitParser());
+TfliteNodeRegister g_tfliteSplitParser(tflite::BuiltinOperator_SPLIT, new TfliteSplitParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.h
index b6ec9ed66c..e696f27641 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_split_parser.h
@@ -29,9 +29,6 @@ class TfliteSplitParser : public TfliteNodeParser {
  public:
   TfliteSplitParser() : TfliteNodeParser("Split") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.cc
index 962ab8992a..f0fc6cf380 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.cc
@@ -21,76 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSplitVParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSplitVParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SplitT> attr = std::make_unique<schema::SplitT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsSplitVOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->numberSplit = tflite_attr->num_splits;
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->sizeSplits)) {
-    MS_LOG(ERROR) << "get spliteV -> sizeSplits failed";
-    return RET_ERROR;
-  }
-
-  const auto &tensor = tflite_subgraph->tensors[tflite_op->inputs[0]];
-  if (tensor == nullptr) {
-    MS_LOG(ERROR) << "tensor_shape is null";
-    return RET_NULL_PTR;
-  }
-  auto tensor_shape = tensor->shape;
-  const auto &axis_tensor = tflite_subgraph->tensors[tflite_op->inputs[2]];
-  if (axis_tensor == nullptr) {
-    MS_LOG(ERROR) << "axis_tensor is null";
-    return RET_NULL_PTR;
-  }
-  const auto &axis_buf = tflite_model->buffers[axis_tensor->buffer];
-  if (axis_buf == nullptr) {
-    MS_LOG(ERROR) << "axis_buf is null";
-    return RET_NULL_PTR;
-  }
-  auto axis = *(reinterpret_cast<int32_t *>(axis_buf->data.data()));
-  if (axis < 0) {
-    axis += tensor_shape.size();
-  }
-  if (axis >= static_cast<int>(tensor_shape.size())) {
-    MS_LOG(ERROR) << "axis value is too large";
-    return RET_ERROR;
-  }
-  attr->splitDim = axis;
-
-  op->primitive->value.type = schema::PrimitiveType_Split;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return RET_OK;
-}
 PrimitiveC *TfliteSplitVParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -144,6 +74,6 @@ PrimitiveC *TfliteSplitVParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSplitVParser("SplitV", new TfliteSplitVParser());
+TfliteNodeRegister g_tfliteSplitVParser(tflite::BuiltinOperator_SPLIT_V, new TfliteSplitVParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.h
index b167deabb9..b0586a5d1d 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_split_v_parser.h
@@ -29,9 +29,6 @@ class TfliteSplitVParser : public TfliteNodeParser {
  public:
   TfliteSplitVParser() : TfliteNodeParser("SplitV") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.cc
index 58789ba7be..7befade9b7 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.cc
@@ -20,43 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteSqueezeParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                  const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                  const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteSqueezeParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::SqueezeT> attr = std::make_unique<schema::SqueezeT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsSqueezeOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->axis = tflite_attr->squeeze_dims;
-
-  op->primitive->value.type = schema::PrimitiveType_Squeeze;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteSqueezeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                     const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -83,6 +46,6 @@ PrimitiveC *TfliteSqueezeParser::ParseLitePrimitive(const std::unique_ptr<tflite
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteSqueezeParser("Squeeze", new TfliteSqueezeParser());
+TfliteNodeRegister g_tfliteSqueezeParser(tflite::BuiltinOperator_SQUEEZE, new TfliteSqueezeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.h
index 6173434a43..571bfa8945 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_squeeze_parser.h
@@ -29,9 +29,6 @@ class TfliteSqueezeParser : public TfliteNodeParser {
  public:
   TfliteSqueezeParser() : TfliteNodeParser("Squeeze") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.cc
index 2e684cb0a8..7146ce5d55 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.cc
@@ -20,48 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteStackParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteStackParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::StackT> attr = std::make_unique<schema::StackT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsPackOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->axis = tflite_attr->axis;
-  attr->n = tflite_attr->values_count;
-  attr->isScale.assign(tflite_subgraph->tensors[tflite_op->inputs[0]]->shape.begin(),
-                       tflite_subgraph->tensors[tflite_op->inputs[0]]->shape.end());
-
-  op->primitive->value.type = schema::PrimitiveType_Stack;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteStackParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -92,6 +50,6 @@ PrimitiveC *TfliteStackParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteStackParser("Stack", new TfliteStackParser());
+TfliteNodeRegister g_tfliteStackParser(tflite::BuiltinOperator_PACK, new TfliteStackParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.h
index 263e08b114..b452eef11b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_stack_parser.h
@@ -29,9 +29,6 @@ class TfliteStackParser : public TfliteNodeParser {
  public:
   TfliteStackParser() : TfliteNodeParser("Stack") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.cc
index 48a7a34887..5699d98d45 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.cc
@@ -20,70 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteStridedSliceParser::Parse(TfliteTensorsInfo *tensors_info,
-                                       const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                       const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                       const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteStridedSliceParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::StridedSliceT> attr = std::make_unique<schema::StridedSliceT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-  const auto &tflite_attr = tflite_op->builtin_options.AsStridedSliceOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: %s attr failed", op->name.c_str();
-    return RET_NULL_PTR;
-  }
-  attr->beginMask = tflite_attr->begin_mask;
-  attr->endMask = tflite_attr->end_mask;
-  attr->ellipsisMask = tflite_attr->ellipsis_mask;
-  attr->newAxisMask = tflite_attr->new_axis_mask;
-  attr->shrinkAxisMask = tflite_attr->shrink_axis_mask;
-
-  int status = GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->begin);
-  if (status != RET_OK && status != RET_NO_CHANGE) {
-    MS_LOG(ERROR) << "stridedSlice -> begin get failed";
-    return RET_ERROR;
-  } else if (status == RET_OK) {
-    status = GetTfliteData(tflite_op->inputs[2], tflite_subgraph->tensors, tflite_model->buffers, attr->end);
-    if (status != RET_OK && status != RET_NO_CHANGE) {
-      MS_LOG(ERROR) << "stridedSlice -> end get failed";
-      return RET_ERROR;
-    } else if (status == RET_OK) {
-      status = GetTfliteData(tflite_op->inputs[3], tflite_subgraph->tensors, tflite_model->buffers, attr->stride);
-      if (status != RET_OK && status != RET_NO_CHANGE) {
-        MS_LOG(ERROR) << "stridedSlice -> stride get failed";
-        return RET_ERROR;
-      }
-    }
-  }
-  attr->isScale.assign(tflite_subgraph->tensors[tflite_op->inputs[0]]->shape.begin(),
-                       tflite_subgraph->tensors[tflite_op->inputs[0]]->shape.end());
-
-  op->primitive->value.type = schema::PrimitiveType_StridedSlice;
-  op->primitive->value.value = attr.release();
-
-  int input_num = status == RET_OK ? 1 : 4;
-  for (int i = 0; i < input_num; ++i) {
-    AddOpInput(op, tensors_info, tflite_op->inputs[i], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteStridedSliceParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                          const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -135,6 +71,6 @@ PrimitiveC *TfliteStridedSliceParser::ParseLitePrimitive(const std::unique_ptr<t
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteStridedSliceParser("StridedSlice", new TfliteStridedSliceParser());
+TfliteNodeRegister g_tfliteStridedSliceParser(tflite::BuiltinOperator_STRIDED_SLICE, new TfliteStridedSliceParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.h
index ff538782ab..a59fe2a47f 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_strided_slice_parser.h
@@ -29,9 +29,6 @@ class TfliteStridedSliceParser : public TfliteNodeParser {
  public:
   TfliteStridedSliceParser() : TfliteNodeParser("StridedSlice") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.cc
index 975f2be160..70b8f2d1b3 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.cc
@@ -21,45 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteTileParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                               const std::unique_ptr<tflite::ModelT> &tflite_model,
-                               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteTileParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::TileT> attr = std::make_unique<schema::TileT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->multiples)) {
-    MS_LOG(ERROR) << "get tile -> multiples failed";
-    return RET_ERROR;
-  }
-  std::vector<int> dims(attr->multiples.size(), 0);
-  for (size_t i = 0; i < dims.size(); ++i) {
-    dims[i] = i;
-  }
-  attr->dims = dims;
-  op->primitive->value.type = schema::PrimitiveType_Tile;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteTileParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                  const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -89,6 +50,6 @@ PrimitiveC *TfliteTileParser::ParseLitePrimitive(const std::unique_ptr<tflite::O
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteTileParser("Tile", new TfliteTileParser());
+TfliteNodeRegister g_tfliteTileParser(tflite::BuiltinOperator_TILE, new TfliteTileParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.h
index e548d81645..33f9076437 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_tile_parser.h
@@ -29,9 +29,6 @@ class TfliteTileParser : public TfliteNodeParser {
  public:
   TfliteTileParser() : TfliteNodeParser("Tile") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.cc
index d3db4ca03b..26ff69f977 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.cc
@@ -22,46 +22,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteTopKV2Parser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteTopKV2Parser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::TopKT> attr = std::make_unique<schema::TopKT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  attr->sorted = true;
-  std::vector<int32_t> k;
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, k)) {
-    MS_LOG(ERROR) << "get topKV2 -> k failed";
-    return RET_ERROR;
-  }
-  attr->k = k.front();
-
-  op->primitive->value.type = schema::PrimitiveType_TopK;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return RET_OK;
-}
 PrimitiveC *TfliteTopKV2Parser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -90,6 +50,6 @@ PrimitiveC *TfliteTopKV2Parser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteTopKV2Parser("TopKV2", new TfliteTopKV2Parser());
+TfliteNodeRegister g_tfliteTopKV2Parser(tflite::BuiltinOperator_TOPK_V2, new TfliteTopKV2Parser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.h
index e42e45c514..1ad18105be 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_topk_v2_parser.h
@@ -29,9 +29,6 @@ class TfliteTopKV2Parser : public TfliteNodeParser {
  public:
   TfliteTopKV2Parser() : TfliteNodeParser("TopKV2") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.cc
index 7f928dd2e3..84aec3944c 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.cc
@@ -20,43 +20,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteTransposeParser::Parse(TfliteTensorsInfo *tensors_info,
-                                    const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                    const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                    const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteTransposeParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::TransposeT> attr = std::make_unique<schema::TransposeT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[1], tflite_subgraph->tensors, tflite_model->buffers, attr->perm)) {
-    MS_LOG(ERROR) << "get transpose -> perm failed";
-    return RET_ERROR;
-  }
-  attr->conjugate = false;
-  op->primitive->value.type = schema::PrimitiveType_Transpose;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpInput(op, tensors_info, tflite_op->inputs[1], tflite_subgraph->tensors.size(), schema::Format::Format_KHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteTransposeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                       const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -83,6 +46,6 @@ PrimitiveC *TfliteTransposeParser::ParseLitePrimitive(const std::unique_ptr<tfli
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteTransposeParser("Transpose", new TfliteTransposeParser());
+TfliteNodeRegister g_tfliteTransposeParser(tflite::BuiltinOperator_TRANSPOSE, new TfliteTransposeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.h
index c76608943a..56f9db2ae9 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_transpose_parser.h
@@ -29,9 +29,6 @@ class TfliteTransposeParser : public TfliteNodeParser {
  public:
   TfliteTransposeParser() : TfliteNodeParser("Transpose") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.cc
index c2610ab3c5..901ea08090 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.cc
@@ -21,45 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteUniqueParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                 const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                 const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteUniqueParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::UniqueT> attr = std::make_unique<schema::UniqueT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsUniqueOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: %s attr failed", op->name.c_str();
-    return RET_NULL_PTR;
-  }
-  attr->outType = GetTfliteDataType(tflite_attr->idx_out_type);
-
-  op->primitive->value.type = schema::PrimitiveType_Unique;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return RET_OK;
-}
 PrimitiveC *TfliteUniqueParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                    const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -86,6 +47,6 @@ PrimitiveC *TfliteUniqueParser::ParseLitePrimitive(const std::unique_ptr<tflite:
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteUniqueParser("Unique", new TfliteUniqueParser());
+TfliteNodeRegister g_tfliteUniqueParser(tflite::BuiltinOperator_UNIQUE, new TfliteUniqueParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.h
index ff2bb7df07..98cb61ce6b 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_unique_parser.h
@@ -29,9 +29,6 @@ class TfliteUniqueParser : public TfliteNodeParser {
  public:
   TfliteUniqueParser() : TfliteNodeParser("Unique") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.cc
index d495f54d34..869e76bd73 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.cc
@@ -21,46 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteUnstackParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                  const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                  const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "paser TfliteUnstackParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::UnstackT> attr = std::make_unique<schema::UnstackT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsUnpackOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: %s attr failed", op->name.c_str();
-    return RET_NULL_PTR;
-  }
-  attr->num = tflite_attr->num;
-  attr->axis = tflite_attr->axis;
-
-  op->primitive->value.type = schema::PrimitiveType_Unstack;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return RET_OK;
-}
 PrimitiveC *TfliteUnstackParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                     const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -88,6 +48,6 @@ PrimitiveC *TfliteUnstackParser::ParseLitePrimitive(const std::unique_ptr<tflite
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteUnstackParser("Unstack", new TfliteUnstackParser());
+TfliteNodeRegister g_tfliteUnstackParser(tflite::BuiltinOperator_UNPACK, new TfliteUnstackParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.h
index 9bac2395f7..b3b189dccb 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_unstack_parser.h
@@ -29,9 +29,6 @@ class TfliteUnstackParser : public TfliteNodeParser {
  public:
   TfliteUnstackParser() : TfliteNodeParser("Unstack") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.cc
index 61246c0016..4cb0d19411 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.cc
@@ -21,43 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteWhereParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteWhereParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::WhereT> attr = std::make_unique<schema::WhereT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  if (GetTfliteData(tflite_op->inputs[0], tflite_subgraph->tensors, tflite_model->buffers, attr->condition)) {
-    MS_LOG(ERROR) << "get where -> condition failed";
-    return RET_ERROR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_Where;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteWhereParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto &tflite_subgraph = tflite_model->subgraphs.front();
@@ -83,6 +46,6 @@ PrimitiveC *TfliteWhereParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteWhereParser("Where", new TfliteWhereParser());
+TfliteNodeRegister g_tfliteWhereParser(tflite::BuiltinOperator_WHERE, new TfliteWhereParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.h
index c28cb5cf96..a8aa878172 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_where_parser.h
@@ -29,9 +29,6 @@ class TfliteWhereParser : public TfliteNodeParser {
  public:
   TfliteWhereParser() : TfliteNodeParser("Where") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.cc
index b0792a3083..01904ac38f 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.cc
@@ -21,48 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteWhileParser::Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteWhileParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::WhileT> attr = std::make_unique<schema::WhileT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  const auto &tflite_attr = tflite_op->builtin_options.AsWhileOptions();
-  if (tflite_attr == nullptr) {
-    MS_LOG(ERROR) << "get op: " << op->name.c_str() << " attr failed";
-    return RET_NULL_PTR;
-  }
-  attr->condSubgraphIndex = tflite_attr->cond_subgraph_index;
-  attr->bodySubgraphIndex = tflite_attr->body_subgraph_index;
-
-  op->primitive->value.type = schema::PrimitiveType_While;
-  op->primitive->value.value = attr.release();
-
-  for (int input : tflite_op->inputs) {
-    AddOpInput(op, tensors_info, input, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  for (int output : tflite_op->outputs) {
-    AddOpOutput(op, tensors_info, output, tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  }
-  return RET_OK;
-}
 PrimitiveC *TfliteWhileParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                   const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -91,6 +49,6 @@ PrimitiveC *TfliteWhileParser::ParseLitePrimitive(const std::unique_ptr<tflite::
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteWhileParser("While", new TfliteWhileParser());
+TfliteNodeRegister g_tfliteWhileParser(tflite::BuiltinOperator_WHILE, new TfliteWhileParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.h
index e19cf8ce6a..6a45caf110 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_while_parser.h
@@ -29,9 +29,6 @@ class TfliteWhileParser : public TfliteNodeParser {
  public:
   TfliteWhileParser() : TfliteNodeParser("While") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.cc
index 19334623f3..2132c53d8f 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.cc
@@ -21,37 +21,6 @@
 
 namespace mindspore {
 namespace lite {
-STATUS TfliteZerosLikeParser::Parse(TfliteTensorsInfo *tensors_info,
-                                    const std::unique_ptr<tflite::OperatorT> &tflite_op,
-                                    const std::unique_ptr<tflite::ModelT> &tflite_model,
-                                    const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) {
-  MS_LOG(DEBUG) << "parse TfliteZerosLikeParser";
-  MS_ASSERT(tflite_op != nullptr);
-  MS_ASSERT(tflite_model != nullptr);
-  MS_ASSERT(tflite_subgraph != nullptr);
-  if (op == nullptr) {
-    MS_LOG(ERROR) << "op is null";
-    return RET_NULL_PTR;
-  }
-  op->primitive = std::make_unique<schema::PrimitiveT>();
-  if (op->primitive == nullptr) {
-    MS_LOG(ERROR) << "op->primitive is null";
-    return RET_NULL_PTR;
-  }
-
-  std::unique_ptr<schema::ZerosLikeT> attr = std::make_unique<schema::ZerosLikeT>();
-  if (attr == nullptr) {
-    MS_LOG(ERROR) << "new op failed";
-    return RET_NULL_PTR;
-  }
-
-  op->primitive->value.type = schema::PrimitiveType_ZerosLike;
-  op->primitive->value.value = attr.release();
-
-  AddOpInput(op, tensors_info, tflite_op->inputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  AddOpOutput(op, tensors_info, tflite_op->outputs[0], tflite_subgraph->tensors.size(), schema::Format::Format_NHWC);
-  return RET_OK;
-}
 PrimitiveC *TfliteZerosLikeParser::ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                                       const std::unique_ptr<tflite::ModelT> &tflite_model) {
   auto primitive = std::make_unique<schema::PrimitiveT>();
@@ -71,6 +40,6 @@ PrimitiveC *TfliteZerosLikeParser::ParseLitePrimitive(const std::unique_ptr<tfli
   return PrimitiveC::Create(primitive.release());
 }
 
-TfliteNodeRegister g_tfliteZerosLikeParser("ZerosLike", new TfliteZerosLikeParser());
+TfliteNodeRegister g_tfliteZerosLikeParser(tflite::BuiltinOperator_ZEROS_LIKE, new TfliteZerosLikeParser());
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.h
index f9e55cc0e0..ac67faf158 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.h
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_zeros_like_parser.h
@@ -29,9 +29,6 @@ class TfliteZerosLikeParser : public TfliteNodeParser {
  public:
   TfliteZerosLikeParser() : TfliteNodeParser("ZerosLike") {}
 
-  STATUS Parse(TfliteTensorsInfo *tensors_info, const std::unique_ptr<tflite::OperatorT> &tflite_op,
-               const std::unique_ptr<tflite::ModelT> &tflite_model,
-               const std::unique_ptr<tflite::SubGraphT> &tflite_subgraph, schema::CNodeT *op) override;
   PrimitiveC *ParseLitePrimitive(const std::unique_ptr<tflite::OperatorT> &tflite_op,
                                  const std::unique_ptr<tflite::ModelT> &tflite_model) override;
 };