diff --git a/python/paddle/tensor/linalg.py b/python/paddle/tensor/linalg.py
index 2403dc766992c40729b1c150955d480bd5e99e43..c3ccb43e90f5cf0e3800a00c1216aa361f1affb2 100644
--- a/python/paddle/tensor/linalg.py
+++ b/python/paddle/tensor/linalg.py
@@ -440,6 +440,11 @@ def dot(x, y, name=None):
 
     """
     op_type = 'dot'
+    # skip var type check in dygraph mode to improve efficiency
+    if in_dygraph_mode():
+        op = getattr(core.ops, op_type)
+        return op(x, y)
+
     assert x is not None, 'x cannot be None in {}'.format(op_type)
     assert y is not None, 'y cannot be None in {}'.format(op_type)