diff --git a/python/paddle/nn/functional/common.py b/python/paddle/nn/functional/common.py
index fdd370d7f81e72462500cf3b47beed8062a14c90..7362b284eaefee25d8c976baf908de946a22b42d 100644
--- a/python/paddle/nn/functional/common.py
+++ b/python/paddle/nn/functional/common.py
@@ -296,7 +296,8 @@ def interpolate(x,
         )
 
     if resample == 'AREA':
-        if isinstance(size, list) or isinstance(size, tuple):
+        if isinstance(size, list) or isinstance(size, tuple) or isinstance(
+                size, Variable):
             if len(size) == 0:
                 raise ValueError("output size can not be empty")
         if len(x.shape) == 3: