diff --git a/mindinsight/mindconverter/graph_based_converter/mapper/impl/ops/cos_mapper.py b/mindinsight/mindconverter/graph_based_converter/mapper/impl/ops/cos_mapper.py
new file mode 100644
index 00000000..8fef5ca6
--- /dev/null
+++ b/mindinsight/mindconverter/graph_based_converter/mapper/impl/ops/cos_mapper.py
@@ -0,0 +1,32 @@
+# Copyright 2021 Huawei Technologies Co., Ltd.All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""Mapper module."""
+from mindinsight.mindconverter.graph_based_converter.mapper.base import ONNXToMindSporeMapper
+
+
+class CosMapper(ONNXToMindSporeMapper):
+    """Cos mapper."""
+
+    @staticmethod
+    def _operation_name_in_ms(*args, **kwargs):
+        return "P.Cos"
+
+    @staticmethod
+    def _convert_params(**kwargs):
+        return dict()
+
+    @staticmethod
+    def _convert_trained_weights(**kwargs):
+        return dict()
diff --git a/mindinsight/mindconverter/graph_based_converter/mapper/impl/ops/sin_mapper.py b/mindinsight/mindconverter/graph_based_converter/mapper/impl/ops/sin_mapper.py
new file mode 100644
index 00000000..d16d8ead
--- /dev/null
+++ b/mindinsight/mindconverter/graph_based_converter/mapper/impl/ops/sin_mapper.py
@@ -0,0 +1,32 @@
+# Copyright 2021 Huawei Technologies Co., Ltd.All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""Mapper module."""
+from mindinsight.mindconverter.graph_based_converter.mapper.base import ONNXToMindSporeMapper
+
+
+class SinMapper(ONNXToMindSporeMapper):
+    """Sin mapper."""
+
+    @staticmethod
+    def _operation_name_in_ms(*args, **kwargs):
+        return "P.Sin"
+
+    @staticmethod
+    def _convert_params(**kwargs):
+        return dict()
+
+    @staticmethod
+    def _convert_trained_weights(**kwargs):
+        return dict()
diff --git a/mindinsight/mindconverter/graph_based_converter/mapper/onnx_to_ms.json b/mindinsight/mindconverter/graph_based_converter/mapper/onnx_to_ms.json
index f088edd6..19dcaa9e 100644
--- a/mindinsight/mindconverter/graph_based_converter/mapper/onnx_to_ms.json
+++ b/mindinsight/mindconverter/graph_based_converter/mapper/onnx_to_ms.json
@@ -38,5 +38,7 @@
   "onnx::LSTM": "mindinsight.mindconverter.graph_based_converter.mapper.impl.nn.lstm_mapper.LSTMMapper",
   "onnx::Squeeze": "mindinsight.mindconverter.graph_based_converter.mapper.impl.ops.squeeze_mapper.SqueezeMapper",
   "onnx::Floor": "mindinsight.mindconverter.graph_based_converter.mapper.impl.ops.floor_mapper.FloorMapper",
-  "onnx::CumSum": "mindinsight.mindconverter.graph_based_converter.mapper.impl.ops.cumsum_mapper.CumSumMapper"
+  "onnx::CumSum": "mindinsight.mindconverter.graph_based_converter.mapper.impl.ops.cumsum_mapper.CumSumMapper",
+  "onnx::Sin": "mindinsight.mindconverter.graph_based_converter.mapper.impl.ops.sin_mapper.SinMapper",
+  "onnx::Cos": "mindinsight.mindconverter.graph_based_converter.mapper.impl.ops.cos_mapper.CosMapper"
 }
\ No newline at end of file