diff --git a/torch_npu/testing/common_distributed.py b/torch_npu/testing/common_distributed.py
index 3a6367622598fce17b142fad659a0c1316680bc6..cf4e4dcb40f5b2681bded0b9b92595f975f7ad09 100644
--- a/torch_npu/testing/common_distributed.py
+++ b/torch_npu/testing/common_distributed.py
@@ -38,6 +38,17 @@ def skipIfUnsupportMultiNPU(npu_number_needed):
     return skip_dec
 
 
+def skipOpOnlySupport910B(op_name):
+    def skip_dec(func):
+        def wrapper(self):
+            device_name = torch_npu.npu.get_device_name(0)[:10]
+            if device_name != 'Ascend910B':
+                raise unittest.SkipTest(f"The op {op_name} is only suppport on 910B, skip this ut for this device type!")
+            return func(self)
+        return wrapper
+    return skip_dec
+
+
 def with_comms(func):
     if func is None:
         raise RuntimeError("Test function is None.")