diff --git a/mindspore/ops/operations/sparse_ops.py b/mindspore/ops/operations/sparse_ops.py
index d3f187a30b1..0f6ebca03b6 100644
--- a/mindspore/ops/operations/sparse_ops.py
+++ b/mindspore/ops/operations/sparse_ops.py
@@ -34,6 +34,9 @@ class SparseToDense(PrimitiveWithInfer):
     Returns:
         Tensor, the shape of tensor is `dense_shape`.
 
+    Supported Platforms:
+        ``CPU``
+
     Examples:
         >>> indices = Tensor([[0, 1], [1, 2]])
         >>> values = Tensor([1, 2], dtype=ms.float32)