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diff --git a/runtime/onert/backend/cpu/ops/EinsumLayer.h b/runtime/onert/backend/cpu/ops/EinsumLayer.h
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+++ b/runtime/onert/backend/cpu/ops/EinsumLayer.h
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+/*
+ * Copyright (c) 2020 Samsung Electronics 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.
+ */
+
+#ifndef __ONERT_BACKEND_CPU_OPS_EINSUM_LAYER_H__
+#define __ONERT_BACKEND_CPU_OPS_EINSUM_LAYER_H__
+
+#include <backend/IPortableTensor.h>
+#include "OperationUtils.h"
+
+#include <exec/IFunction.h>
+#include <functional>
+#include <memory>
+
+namespace nnfw
+{
+namespace cker
+{
+class Einsum;
+}
+} // namespace nnfw
+
+namespace onert
+{
+namespace backend
+{
+namespace cpu
+{
+namespace ops
+{
+
+class EinsumLayer : public ::onert::exec::IFunction
+{
+public:
+  EinsumLayer();
+  ~EinsumLayer();
+
+public:
+  void einsumFloat32();
+
+  void configure(const std::vector<const IPortableTensor *> &inputs, std::string equation,
+                 IPortableTensor *output);
+
+  void run() override;
+
+private:
+  std::vector<const IPortableTensor *> _inputs;
+  IPortableTensor *_output;
+
+  std::string _equation;
+
+  std::unique_ptr<nnfw::cker::Einsum> _einsum_kernel;
+};
+
+} // namespace ops
+} // namespace cpu
+} // namespace backend
+} // namespace onert
+
+#endif // __ONERT_BACKEND_CPU_OPS_EINSUM_LAYER_H__