diff --git a/mindspore/python/mindspore/nn/layer/pooling.py b/mindspore/python/mindspore/nn/layer/pooling.py
index 9d33fa547f7..ae9c456dace 100644
--- a/mindspore/python/mindspore/nn/layer/pooling.py
+++ b/mindspore/python/mindspore/nn/layer/pooling.py
@@ -543,7 +543,7 @@ class AvgPool3d(Cell):
         ValueError: If length of shape of `x` is not equal to 5.
 
     Supported Platforms:
-        ``Ascend`` ``CPU``
+        ``Ascend`` ``GPU`` ``CPU``
 
     Examples:
         >>> import mindspore as ms
diff --git a/mindspore/python/mindspore/ops/function/nn_func.py b/mindspore/python/mindspore/ops/function/nn_func.py
index d212bfc9934..f9a46dc63dd 100644
--- a/mindspore/python/mindspore/ops/function/nn_func.py
+++ b/mindspore/python/mindspore/ops/function/nn_func.py
@@ -516,7 +516,7 @@ def avg_pool3d(input_x, kernel_size=1, stride=1, padding=0, ceil_mode=False, cou
         ValueError: If element of `padding` is less than `0`.
 
     Supported Platforms:
-        ``Ascend`` ``CPU``
+        ``Ascend`` ``GPU`` ``CPU``
 
     Examples:
         >>> input_x = Tensor(np.arange(1 * 2 * 2 * 2 * 3).reshape((1, 2, 2, 2, 3)), mindspore.float16)