diff --git a/mindspore/ccsrc/ir/tensor.cc b/mindspore/ccsrc/ir/tensor.cc
index c43f5423f1b3ba55310848af6a4e41a61864562b..673a8da8423ec46108613535b01bbaa3633e6d95 100644
--- a/mindspore/ccsrc/ir/tensor.cc
+++ b/mindspore/ccsrc/ir/tensor.cc
@@ -272,7 +272,17 @@ bool Tensor::operator==(const Tensor &tensor) const {
 bool Tensor::ValueEqual(const Tensor &tensor) const {
   return (&tensor == this || (MetaTensor::operator==(tensor) && data_->equals(*tensor.data_)));
 }
-
+// assgin value to this tensor
+Tensor &Tensor::AssignValue(const Tensor &tensor) {
+  if (this != &tensor) {
+    MetaTensor::operator=(tensor);
+    dirty_ = tensor.is_dirty();
+    device_address_ = tensor.device_address();
+    data_ = tensor.data_;
+    id_ = tensor.id();
+  }
+  return *this;
+}
 abstract::AbstractBasePtr Tensor::ToAbstract() {
   auto tens = shared_from_base<Tensor>();
   auto dtype = tens->Dtype();
diff --git a/mindspore/ccsrc/ir/tensor.h b/mindspore/ccsrc/ir/tensor.h
index cd308271294523d05494adad6c782fa1a3159c01..5be8a063c1119ed0e80f899a222b9e58f877e95e 100644
--- a/mindspore/ccsrc/ir/tensor.h
+++ b/mindspore/ccsrc/ir/tensor.h
@@ -147,6 +147,9 @@ class Tensor : public MetaTensor {
   // it do real value comparison.
   bool ValueEqual(const Tensor &tensor) const;
 
+  // assgin value to this tensor
+  Tensor &AssignValue(const Tensor &tensor);
+
   bool operator==(const Value &other) const override {
     if (other.isa<Tensor>()) {
       auto &other_ = static_cast<const Tensor &>(other);
diff --git a/mindspore/ccsrc/ir/tensor_py.cc b/mindspore/ccsrc/ir/tensor_py.cc
index 1c763d48f462f31438f4a54df77dda56279c1786..11a000cef7d3c83096da051f5663f08001233167 100644
--- a/mindspore/ccsrc/ir/tensor_py.cc
+++ b/mindspore/ccsrc/ir/tensor_py.cc
@@ -327,6 +327,19 @@ REGISTER_PYBIND_DEFINE(Tensor, ([](const py::module *m) {
                                  >>> data.dim()
                                  2
                              )mydelimiter")
+                           .def("assign_value", &Tensor::AssignValue, R"mydelimiter(
+                             Assign another tensor value to this.
+
+                             Arg:
+                                 value (:class:`mindspore.tensor`): The value tensor.
+
+                             Examples:
+                                 >>> data = mindspore.Tensor(np.ones((1, 2), np.float32))
+                                 >>> data2 = mindspore.Tensor(np.ones((2, 2), np.float32))
+                                 >>> data.assign_value(data2)
+                                 >>> data.shape
+                                 (2, 2)
+                             )mydelimiter")
                            .def("set_dtype", &Tensor::SetDtype, R"mydelimiter(
                               Set the tensor's data type.