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diff --git a/compiler/moco/import/src/Nodes/SquaredDifference.cpp b/compiler/moco/import/src/Nodes/SquaredDifference.cpp
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index 000000000..17a1fe93d
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+++ b/compiler/moco/import/src/Nodes/SquaredDifference.cpp
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+/*
+ * Copyright (c) 2019 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.
+ */
+
+#include "moco/Import/Nodes/SquaredDifference.h"
+
+#include <moco/IR/Nodes/TFSquaredDifference.h>
+
+#include <loco.h>
+#include <stdex/Memory.h>
+
+namespace
+{
+
+using namespace moco;
+
+/**
+ * @brief GraphUpdate for TF SquaredDifference node
+ */
+class TFSquaredDifferenceGraphUpdate final : public GraphUpdate
+{
+public:
+  TFSquaredDifferenceGraphUpdate(TFSquaredDifference *node, std::vector<TensorName> names)
+      : _node(node), _names(names)
+  {
+  }
+
+  void input(const SymbolTable *) const override;
+
+private:
+  TFSquaredDifference *_node;
+  std::vector<TensorName> _names;
+};
+
+void TFSquaredDifferenceGraphUpdate::input(const SymbolTable *table) const
+{
+  assert(_names.size() == 2);
+
+  _node->x(table->node(_names[0]));
+  _node->y(table->node(_names[1]));
+}
+
+} // namespace
+
+namespace moco
+{
+
+bool SquaredDifferenceGraphBuilder::validate(const tensorflow::NodeDef &node) const
+{
+  return node.input_size() == 2;
+}
+
+void SquaredDifferenceGraphBuilder::build(const tensorflow::NodeDef &node,
+                                          GraphBuilderContext *context) const
+{
+  assert(context != nullptr);
+
+  loco::Graph *graph = context->graph();
+  SymbolTable *tensor_names = context->tensor_names();
+  UpdateQueue *updates = context->updates();
+
+  // creating TF dialect SquaredDifference node
+  auto tf_sqdiff = graph->nodes()->create<TFSquaredDifference>();
+  tf_sqdiff->name(node.name());
+
+  // register string-name to node
+  TensorName output_name(node.name(), 0);
+  tensor_names->enroll(output_name, tf_sqdiff);
+
+  std::vector<TensorName> add_input_names;
+  add_input_names.push_back(TensorName(node.input(0))); // x
+  add_input_names.push_back(TensorName(node.input(1))); // y
+
+  // Queue node input update
+  auto tf_sqrt_update =
+      stdex::make_unique<TFSquaredDifferenceGraphUpdate>(tf_sqdiff, add_input_names);
+  updates->enroll(std::move(tf_sqrt_update));
+}
+
+} // namespace moco