diff --git a/mindspore-lite/test/config_level0/models_cloud_ascend_a2.cfg b/mindspore-lite/test/config_level0/models_cloud_ascend_a2.cfg
index 4cd5b8ecbfe70419f64004a40af7fdcc6c4e3884..7e958c20ebd9853feaceb3e6a1246bd1ea552d25 100644
--- a/mindspore-lite/test/config_level0/models_cloud_ascend_a2.cfg
+++ b/mindspore-lite/test/config_level0/models_cloud_ascend_a2.cfg
@@ -15,4 +15,5 @@ long_sequence_eta.pb;2:id,wt;1,576:1,576;static;; 1
 vod_sr_M5_H10_20231107_manualv4_int8_dynamic.onnx;1:input1;1,3,1080,1920;static;; 2
 user_latent_vector.pb;3:embedding-feature,dense,emb;1,10688:1,1:1,128;static;; 1
 single_matmul_model.onnx;1:input;1,4;static;; 1
-fas.mindir;3:query,key,value;1,12,287,128:1,12,287,128:1,12,287,128;static;; 1
\ No newline at end of file
+fas.mindir;3:query,key,value;1,12,287,128:1,12,287,128:1,12,287,128;static;; 1
+MultiScaleDeformableAttnFunction.onnx;5:value,value_spatial_shapes,value_level_start_index,sampling_locations,attention_weights;1,153450,8,32:5,2:5:1,153450,8,5,4,2:1,153450,8,5,4;static;; 1
diff --git a/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.cc b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c80abbbbdabcbdc4d7cf7a8b82f74a55556af926
--- /dev/null
+++ b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.cc
@@ -0,0 +1,43 @@
+/**
+ * Copyright 2025 Huawei Technologies Co., Ltd
+ *
+ * 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.
+ */
+
+#include "tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h"
+#include <memory>
+#include <string>
+#include <vector>
+#include "infer/custom.h"
+#include "nnacl_c/op_base.h"
+
+namespace mindspore {
+namespace lite {
+PrimitiveCPtr OnnxMultiScaleDeformableAttnFunctionParser::Parse(const onnx::GraphProto &onnx_graph,
+                                                                const onnx::NodeProto &onnx_node) {
+  auto prim = std::make_unique<ops::Custom>();
+  MS_CHECK_TRUE_RET(prim != nullptr, nullptr);
+  std::vector<std::string> input_name = {"value", "value_spatial_shapes", "value_level_start_index",
+                                         "sampling_locations", "attention_weights"};
+  std::vector<std::string> output_name = {"output"};
+  prim->AddAttr("input_names", api::MakeValue(input_name));
+  prim->AddAttr("output_names", api::MakeValue(output_name));
+  prim->set_type("MultiScaleDeformableAttnFunction");
+  prim->AddAttr("reg_op_name", api::MakeValue("MultiScaleDeformableAttnFunction"));
+  return prim->GetPrim();
+}
+
+OnnxNodeRegistrar g_onnxMultiScaleDeformableAttnFunctionParser("MultiScaleDeformableAttnFunction",
+                                                               new OnnxMultiScaleDeformableAttnFunctionParser());
+}  // namespace lite
+}  // namespace mindspore
diff --git a/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h
new file mode 100644
index 0000000000000000000000000000000000000000..daaae85a0f6f4363a321cab3154115f5baea1a8f
--- /dev/null
+++ b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h
@@ -0,0 +1,34 @@
+/**
+ * Copyright 2025 Huawei Technologies Co., Ltd
+ *
+ * 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.
+ */
+
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_ONNX_ONNX_MULTI_SCALE_DEFORMABLE_ATTN_FUNCTION_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_ONNX_ONNX_MULTI_SCALE_DEFORMABLE_ATTN_FUNCTION_PARSER_H_
+
+#include "tools/converter/parser/onnx/onnx_node_parser.h"
+#include "tools/converter/parser/onnx/onnx_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+class OnnxMultiScaleDeformableAttnFunctionParser : public OnnxNodeParser {
+ public:
+  OnnxMultiScaleDeformableAttnFunctionParser() : OnnxNodeParser("MultiScaleDeformableAttnFunction") {}
+  ~OnnxMultiScaleDeformableAttnFunctionParser() override = default;
+
+  PrimitiveCPtr Parse(const onnx::GraphProto &onnx_graph, const onnx::NodeProto &onnx_node) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_ONNX_ONNX_MULTI_SCALE_DEFORMABLE_ATTN_FUNCTION_PARSER_H_