diff --git a/lite/backends/arm/math/CMakeLists.txt b/lite/backends/arm/math/CMakeLists.txt
index 244467d62492bc3017ebdb6144b49ccb9fcd30c1..67fc64ab9dfda75b64d181bcf142b41c13f91da5 100644
--- a/lite/backends/arm/math/CMakeLists.txt
+++ b/lite/backends/arm/math/CMakeLists.txt
@@ -130,5 +130,6 @@ if (NOT HAS_ARM_MATH_LIB_DIR)
       lstm.cc
       clip.cc
       pixel_shuffle.cc
+      scatter.cc
       DEPS ${lite_kernel_deps} context tensor)
 endif()
diff --git a/lite/backends/arm/math/funcs.h b/lite/backends/arm/math/funcs.h
index 2e52bd1e285b7493148a5a779bffcfcfd1336722..131c1dbd37f65be7318492d2e953cb4aab19f9f6 100644
--- a/lite/backends/arm/math/funcs.h
+++ b/lite/backends/arm/math/funcs.h
@@ -54,6 +54,7 @@
 #include "lite/backends/arm/math/reduce_mean.h"
 #include "lite/backends/arm/math/reduce_prod.h"
 #include "lite/backends/arm/math/scale.h"
+#include "lite/backends/arm/math/scatter.h"
 #include "lite/backends/arm/math/sequence_expand.h"
 #include "lite/backends/arm/math/sequence_pool.h"
 #include "lite/backends/arm/math/sequence_pool_grad.h"
diff --git a/lite/backends/arm/math/scatter.cc b/lite/backends/arm/math/scatter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c9250a9bfa3fcfbdac2a8942aeff3bd28b4bc381
--- /dev/null
+++ b/lite/backends/arm/math/scatter.cc
@@ -0,0 +1,72 @@
+/* Copyright (c) 2019 PaddlePaddle Authors. 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 "lite/backends/arm/math/scatter.h"
+#include "lite/backends/arm/math/funcs.h"
+#include "lite/core/tensor.h"
+
+namespace paddle {
+namespace lite {
+namespace arm {
+namespace math {
+
+template <>
+void scatter<float>(const int64_t* indexs,
+                    const float* src,
+                    float* dst,
+                    int index_size,
+                    int num,
+                    int size,
+                    bool overwrite) {
+  for (int i = 0; i < num; i++) {
+    const float* din = src + indexs[i] * size;
+    memcpy(dst, din, sizeof(float) * size);
+    dst += size;
+  }
+  if (overwrite) {
+    for (int i = num; i < index_size; i++) {
+      const float* din = src + indexs[i] * size;
+      float* dout = dst + indexs[i] * size;
+      memcpy(dout, din, sizeof(float) * size);
+    }
+  } else {
+    int cnt = size >> 3;
+    int rem = size & 7;
+    for (int i = num; i < index_size; i++) {
+      const float* din = src + indexs[i] * size;
+      float* dout = dst + indexs[i] * size;
+      for (int j = 0; j < cnt; j++) {
+        float32x4_t va0 = vld1q_f32(din);
+        float32x4_t vb0 = vld1q_f32(dout);
+        float32x4_t va1 = vld1q_f32(din + 4);
+        float32x4_t vb1 = vld1q_f32(dout + 4);
+        vb0 = vaddq_f32(va0, vb0);
+        vb1 = vaddq_f32(va1, vb1);
+        din += 8;
+        vst1q_f32(dout, vb0);
+        vst1q_f32(dout + 4, vb0);
+        dout += 8;
+      }
+      for (int j = 0; j < rem; j++) {
+        dout[0] += *din++;
+        dout++;
+      }
+    }
+  }
+}
+
+}  // namespace math
+}  // namespace arm
+}  // namespace lite
+}  // namespace paddle
diff --git a/lite/backends/arm/math/scatter.h b/lite/backends/arm/math/scatter.h
new file mode 100644
index 0000000000000000000000000000000000000000..3d145367189eb61e7fdfbd5b20a55f5397ae702b
--- /dev/null
+++ b/lite/backends/arm/math/scatter.h
@@ -0,0 +1,34 @@
+/* Copyright (c) 2019 PaddlePaddle Authors. 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. */
+
+#pragma once
+#include <stdint.h>
+
+namespace paddle {
+namespace lite {
+namespace arm {
+namespace math {
+
+template <typename T>
+void scatter(const int64_t* indexs,
+             const T* updates,
+             T* dst,
+             int index_size,
+             int num,
+             int size,
+             bool overwrite);
+}  // namespace math
+}  // namespace arm
+}  // namespace lite
+}  // namespace paddle
diff --git a/lite/kernels/arm/CMakeLists.txt b/lite/kernels/arm/CMakeLists.txt
index ad5988c10bd7650f3fcb9c759c73117954d22dd7..83789070ccc9db18a6299a9c2b14b3248dbcc28f 100644
--- a/lite/kernels/arm/CMakeLists.txt
+++ b/lite/kernels/arm/CMakeLists.txt
@@ -79,8 +79,10 @@ add_kernel(collect_fpn_proposals_compute_arm ARM extra SRCS collect_fpn_proposal
 add_kernel(distribute_fpn_proposals_compute_arm ARM extra SRCS distribute_fpn_proposals_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(clip_compute_arm ARM extra SRCS clip_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(pixel_shuffle_compute_arm ARM extra SRCS pixel_shuffle_compute.cc DEPS ${lite_kernel_deps} math_arm)
+add_kernel(scatter_compute_arm ARM extra SRCS scatter_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(sequence_expand_as_compute_arm ARM extra SRCS sequence_expand_as_compute.cc DEPS ${lite_kernel_deps} math_arm)
 
+
 # for OCR specific
 add_kernel(gru_unit_compute_arm ARM extra SRCS gru_unit_compute.cc DEPS ${lite_kernel_deps} math_arm)
 add_kernel(gru_compute_arm ARM extra SRCS gru_compute.cc DEPS ${lite_kernel_deps} math_arm)
diff --git a/lite/kernels/arm/scatter_compute.cc b/lite/kernels/arm/scatter_compute.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8d3a512975c26d356405deb8ae9ff58093507425
--- /dev/null
+++ b/lite/kernels/arm/scatter_compute.cc
@@ -0,0 +1,63 @@
+// Copyright (c) 2019 PaddlePaddle Authors. 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 "lite/kernels/arm/scatter_compute.h"
+#include "lite/backends/arm/math/funcs.h"
+
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace arm {
+
+void ScatterCompute::Run() {
+  auto& param = this->template Param<operators::ScatterParam>();
+  const float* updates_data = param.updates->template data<float>();
+  const int64_t* indexs_data = param.indexs->template data<int64_t>();
+  float* output_data = param.output->template mutable_data<float>();
+  bool overwrite = param.overwrite;
+  int index_size = param.indexs->dims()[0];
+  auto in_dims = param.x->dims();
+  int num = 1;
+  for (int i = 1; i < in_dims.size(); i++) {
+    num *= in_dims[i];
+  }
+  lite::arm::math::scatter(indexs_data,
+                           updates_data,
+                           output_data,
+                           index_size,
+                           in_dims[0],
+                           num,
+                           overwrite);
+  if (!param.x->lod().empty()) {
+    param.output->set_lod(param.x->lod());
+  }
+}
+
+}  // namespace arm
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle
+
+REGISTER_LITE_KERNEL(scatter,
+                     kARM,
+                     kFloat,
+                     kNCHW,
+                     paddle::lite::kernels::arm::ScatterCompute,
+                     def)
+    .BindInput("X", {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kFloat))})
+    .BindInput("Ids", {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kInt64))})
+    .BindInput("Updates",
+               {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kFloat))})
+    .BindOutput("Out", {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kFloat))})
+    .Finalize();
diff --git a/lite/kernels/arm/scatter_compute.h b/lite/kernels/arm/scatter_compute.h
new file mode 100644
index 0000000000000000000000000000000000000000..5ee37cf55dd3e9f81582ffdcc5bdf96fa8cc25a8
--- /dev/null
+++ b/lite/kernels/arm/scatter_compute.h
@@ -0,0 +1,34 @@
+// Copyright (c) 2019 PaddlePaddle Authors. 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.
+
+#pragma once
+#include "lite/core/kernel.h"
+#include "lite/core/op_registry.h"
+
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace arm {
+
+class ScatterCompute : public KernelLite<TARGET(kARM), PRECISION(kFloat)> {
+ public:
+  void Run() override;
+
+  virtual ~ScatterCompute() = default;
+};
+
+}  // namespace arm
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle
diff --git a/lite/operators/CMakeLists.txt b/lite/operators/CMakeLists.txt
index 02377aad498a47cff50c3a595f6fb1634a56b5ff..6cdf815a6f03f0e36b95acc4f8e6f15dc64b4de2 100644
--- a/lite/operators/CMakeLists.txt
+++ b/lite/operators/CMakeLists.txt
@@ -121,6 +121,7 @@ add_operator(max_pool_with_index_op extra SRCS max_pool_with_index_op.cc DEPS ${
 add_operator(pixel_shuffle_op extra SRCS pixel_shuffle_op.cc DEPS ${op_DEPS})
 add_operator(clip_op extra SRCS clip_op.cc DEPS ${op_DEPS})
 add_operator(print_op extra SRCS print_op.cc DEPS ${op_DEPS})
+add_operator(scatter extra SRCS scatter_op.cc DEPS ${op_DEPS})
 
 # for OCR specific
 add_operator(while_op extra SRCS while_op.cc DEPS ${op_DEPS})
diff --git a/lite/operators/op_params.h b/lite/operators/op_params.h
index 494ee823827fc6d71f0c41824ee7f9e52bdbb3f4..33da913d2e13d290ef42a40955c7cdc13fd855b3 100644
--- a/lite/operators/op_params.h
+++ b/lite/operators/op_params.h
@@ -294,6 +294,16 @@ struct ScaleParam : ParamBase {
   }
 };
 
+// For Scatter OP
+struct ScatterParam : ParamBase {
+  lite::Tensor* x{};
+  lite::Tensor* indexs{};
+  lite::Tensor* updates{};
+  lite::Tensor* output{};
+
+  bool overwrite{true};
+};
+
 // For Softmax op
 struct SoftmaxParam : ParamBase {
   lite::Tensor* x{};
diff --git a/lite/operators/scatter_op.cc b/lite/operators/scatter_op.cc
new file mode 100644
index 0000000000000000000000000000000000000000..20a0dcb6be409c87e828e168321716adf69011e4
--- /dev/null
+++ b/lite/operators/scatter_op.cc
@@ -0,0 +1,66 @@
+// Copyright (c) 2019 PaddlePaddle Authors. 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 "lite/operators/scatter_op.h"
+#include "lite/core/op_registry.h"
+namespace paddle {
+namespace lite {
+namespace operators {
+
+bool ScatterOp::CheckShape() const {
+  CHECK_OR_FALSE(param_.x);
+  CHECK_OR_FALSE(param_.output);
+  return true;
+}
+
+bool ScatterOp::InferShapeImpl() const {
+  auto index_dims = param_.indexs->dims();
+  auto update_dims = param_.updates->dims();
+  auto input_dims = param_.x->dims();
+  for (int i = 1; i < update_dims.size(); i++) {
+    CHECK_EQ_OR_FALSE(update_dims[i], input_dims[i]);
+  }
+  CHECK_EQ_OR_FALSE(index_dims.size(), 1L);
+  param_.output->Resize(input_dims);
+  return true;
+}
+
+bool ScatterOp::AttachImpl(const cpp::OpDesc &op_desc, lite::Scope *scope) {
+  AttachParam(&param_);
+  auto x = op_desc.Input("X").front();
+  auto indexs = op_desc.Input("Ids").front();
+  auto updates = op_desc.Input("Updates").front();
+  auto output = op_desc.Output("Out").front();
+  if (op_desc.HasAttr("overwrite")) {
+    param_.overwrite = op_desc.GetAttr<bool>("overwrite");
+  } else {
+    param_.overwrite = true;
+  }
+  param_.x = scope->FindVar(x)->GetMutable<Tensor>();
+  param_.indexs = scope->FindVar(indexs)->GetMutable<Tensor>();
+  param_.updates = scope->FindVar(updates)->GetMutable<Tensor>();
+  param_.output = scope->FindMutableTensor(output);
+
+  CHECK(param_.x);
+  CHECK(param_.indexs);
+  CHECK(param_.updates);
+  CHECK(param_.output);
+  return true;
+}
+
+}  // namespace operators
+}  // namespace lite
+}  // namespace paddle
+
+REGISTER_LITE_OP(scatter, paddle::lite::operators::ScatterOp);
diff --git a/lite/operators/scatter_op.h b/lite/operators/scatter_op.h
new file mode 100644
index 0000000000000000000000000000000000000000..419a5308ef76ee99987945dffb50549ca6bd4842
--- /dev/null
+++ b/lite/operators/scatter_op.h
@@ -0,0 +1,55 @@
+// Copyright (c) 2019 PaddlePaddle Authors. 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.
+
+#pragma once
+#include <string>
+#include <vector>
+#include "lite/core/op_lite.h"
+#include "lite/core/scope.h"
+#include "lite/utils/all.h"
+
+namespace paddle {
+namespace lite {
+namespace operators {
+
+class ScatterOp : public OpLite {
+ public:
+  ScatterOp() {}
+  explicit ScatterOp(const std::string &op_type) : OpLite(op_type) {}
+
+  bool CheckShape() const override;
+
+  bool InferShapeImpl() const override;
+
+  bool AttachImpl(const cpp::OpDesc &opdesc, lite::Scope *scope) override;
+
+  void AttachKernel(KernelBase *kernel) override { kernel->SetParam(param_); }
+
+  std::string DebugString() const override { return "Scatter"; }
+
+#ifdef LITE_WITH_PROFILE
+  void GetOpRuntimeInfo(paddle::lite::profile::OpCharacter *ch) {
+    ch->input_shape = ch->DimToStr(param_.x->dims());
+    ch->output_shape = ch->DimToStr(param_.output->dims());
+    ch->macs = param_.x->numel() * 1.f;
+  }
+#endif
+
+ private:
+  mutable ScatterParam param_;
+};
+
+}  // namespace operators
+}  // namespace lite
+}  // namespace paddle
diff --git a/lite/tests/cv/anakin/bgra_to_tensor_hwc.cc b/lite/tests/cv/anakin/bgra_to_tensor_hwc.cc
index daab2f3ce559cd9583839918c79bf50109275d71..4e24f87a1d8bbddf00f898185b71b8bd312f902c 100644
--- a/lite/tests/cv/anakin/bgra_to_tensor_hwc.cc
+++ b/lite/tests/cv/anakin/bgra_to_tensor_hwc.cc
@@ -30,7 +30,7 @@ void bgra_to_tensor_hwc(const uint8_t* bgr,
   float b_scales = scales[2];
 
   int dim8 = width >> 3;
-  int remain = wwidth - (dim8 << 3);
+  int remain = width - (dim8 << 3);
 
   float32x4_t vrmean = vdupq_n_f32(r_means);
   float32x4_t vgmean = vdupq_n_f32(g_means);
diff --git a/lite/tests/kernels/CMakeLists.txt b/lite/tests/kernels/CMakeLists.txt
index b5ffe94cee83c5a51ccaf9e1d98b53bae2a49020..00fec722eb926e27492ad9c2dbeb4bff754a56de 100644
--- a/lite/tests/kernels/CMakeLists.txt
+++ b/lite/tests/kernels/CMakeLists.txt
@@ -66,6 +66,7 @@ if(LITE_BUILD_EXTRA)
     lite_cc_test(test_kernel_ctc_align_compute SRCS ctc_align_compute_test.cc DEPS arena_framework ${xpu_kernels} ${npu_kernels} ${huawei_ascend_npu_kernels} ${x86_kernels} ${bm_kernels} ${cuda_kernels} ${arm_kernels} ${lite_ops} ${host_kernels})
     lite_cc_test(test_kernel_clip_compute SRCS clip_compute_test.cc DEPS arena_framework ${xpu_kernels} ${npu_kernels} ${huawei_ascend_npu_kernels} ${x86_kernels} ${bm_kernels} ${cuda_kernels} ${arm_kernels} ${lite_ops} ${host_kernels})
     lite_cc_test(test_kernel_pixel_shuffle_compute SRCS pixel_shuffle_compute_test.cc DEPS arena_framework ${xpu_kernels} ${npu_kernels} ${x86_kernels} ${bm_kernels} ${cuda_kernels} ${arm_kernels} ${lite_ops} ${host_kernels})
+    lite_cc_test(test_kernel_scatter_compute SRCS scatter_compute_test.cc DEPS arena_framework ${xpu_kernels} ${npu_kernels} ${x86_kernels} ${bm_kernels} ${cuda_kernels} ${arm_kernels} ${lite_ops} ${host_kernels})
     lite_cc_test(test_kernel_sequence_expand_as_compute SRCS sequence_expand_as_compute_test.cc DEPS arena_framework ${xpu_kernels} ${npu_kernels} ${x86_kernels} ${bm_kernels} ${cuda_kernels} ${arm_kernels} ${lite_ops} ${host_kernels})
 
     # for training kernel
diff --git a/lite/tests/kernels/scatter_compute_test.cc b/lite/tests/kernels/scatter_compute_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a2d82b38d986deafb619d61e97e20be759c48b98
--- /dev/null
+++ b/lite/tests/kernels/scatter_compute_test.cc
@@ -0,0 +1,161 @@
+// Copyright (c) 2019 PaddlePaddle Authors. 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 <gtest/gtest.h>
+#include "lite/api/paddle_use_kernels.h"
+#include "lite/api/paddle_use_ops.h"
+#include "lite/core/arena/framework.h"
+
+namespace paddle {
+namespace lite {
+
+void scatter_basic(const int64_t* indexs,
+                   const float* src,
+                   float* dst,
+                   int index_size,
+                   int num,
+                   int size,
+                   bool overwrite) {
+  for (int i = 0; i < num; i++) {
+    const float* din = src + indexs[i] * size;
+    memcpy(dst, din, sizeof(float) * size);
+    dst += size;
+  }
+  if (overwrite) {
+    for (int i = num; i < index_size; i++) {
+      const float* din = src + indexs[i] * size;
+      float* dout = dst + indexs[i] * size;
+      memcpy(dout, din, sizeof(float) * size);
+    }
+  } else {
+    for (int i = num; i < index_size; i++) {
+      const float* din = src + indexs[i] * size;
+      float* dout = dst + indexs[i] * size;
+      for (int j = 0; j < size; j++) {
+        dout[j] += din[j];
+      }
+    }
+  }
+}
+
+class ScatterComputeTester : public arena::TestCase {
+ protected:
+  // common attributes for this op.
+  std::string input_ = "x";
+  std::string indexs_ = "indexs";
+  std::string updates_ = "updates";
+  std::string output_ = "out";
+  DDim up_dims_{{1}};
+  DDim id_dims_{{1}};
+  DDim x_dims_{{1}};
+  int index_size_ = 0;
+  bool overwrite_ = false;
+
+ public:
+  ScatterComputeTester(const Place& place,
+                       const std::string& alias,
+                       DDim up_dims,
+                       DDim id_dims,
+                       DDim x_dims,
+                       bool overwrite,
+                       int index_size)
+      : TestCase(place, alias),
+        up_dims_(up_dims),
+        id_dims_(id_dims),
+        x_dims_(x_dims),
+        index_size_(index_size),
+        overwrite_(overwrite) {}
+
+  void RunBaseline(Scope* scope) override {
+    auto* indexs_t = scope->FindMutableTensor(indexs_);
+    auto* updates_t = scope->FindMutableTensor(updates_);
+    const auto* indexs_data = indexs_t->data<int64_t>();
+    const auto* updates_data = updates_t->data<float>();
+    auto* out = scope->NewTensor(output_);
+
+    out->Resize(x_dims_);
+
+    auto* out_data = out->mutable_data<float>();
+    int in_n = x_dims_[0];
+    int in_c = x_dims_[1];
+    int in_h = x_dims_[2];
+    int in_w = x_dims_[3];
+    int size = in_c * in_h * in_w;
+
+    scatter_basic(indexs_data,
+                  updates_data,
+                  out_data,
+                  index_size_,
+                  in_n,
+                  size,
+                  overwrite_);
+  }
+
+  void PrepareOpDesc(cpp::OpDesc* op_desc) {
+    op_desc->SetType("scatter");
+    op_desc->SetInput("X", {input_});
+    op_desc->SetInput("Ids", {indexs_});
+    op_desc->SetInput("Updates", {updates_});
+    op_desc->SetOutput("Out", {output_});
+    op_desc->SetAttr("overwrite", overwrite_);
+  }
+
+  void PrepareData() override {
+    std::vector<float> data(x_dims_.production());
+    for (int i = 0; i < x_dims_.production(); i++) {
+      data[i] = i * 1.0;
+    }
+    SetCommonTensor(input_, x_dims_, data.data());
+    std::vector<float> update(up_dims_.production());
+    for (int i = 0; i < up_dims_.production(); i++) {
+      update[i] = i * 1.0;
+    }
+    SetCommonTensor(updates_, up_dims_, update.data());
+    std::vector<int64_t> index(id_dims_.production());
+    for (int i = 0; i < id_dims_.production(); i++) {
+      index[i] = i;
+    }
+    SetCommonTensor(indexs_, id_dims_, index.data());
+  }
+};
+
+void test_scatter(Place place) {
+  for (auto n : {1, 3}) {
+    for (auto c : {1, 2}) {
+      for (auto h : {1, 3}) {
+        for (auto w : {1, 3}) {
+          for (bool overwrite : {false, true}) {
+            auto x_dims = DDim(std::vector<int64_t>({n, c, h, w}));
+            auto up_dims = DDim(std::vector<int64_t>({n, c, h, w}));
+            auto id_dims = DDim(std::vector<int64_t>({n}));
+            std::unique_ptr<arena::TestCase> tester(new ScatterComputeTester(
+                place, "def", up_dims, id_dims, x_dims, overwrite, n));
+            arena::Arena arena(std::move(tester), place, 2e-5);
+            arena.TestPrecision();
+          }
+        }
+      }
+    }
+  }
+}
+
+TEST(Scatter, precision) {
+#ifdef LITE_WITH_ARM
+  Place place(TARGET(kARM));
+  test_scatter(place);
+#endif
+}
+
+}  // namespace lite
+}  // namespace paddle