diff --git a/python/paddle/fluid/framework.py b/python/paddle/fluid/framework.py
index 9dcd907451dacaf95a7fe0d3a510241bc3da7f95..93cd6b621ac860bad37ad5ccfb733c53d07f8d2b 100644
--- a/python/paddle/fluid/framework.py
+++ b/python/paddle/fluid/framework.py
@@ -19,7 +19,16 @@ import re
 import numpy as np
 
 import proto.framework_pb2 as framework_pb2
-from . import core
+try:
+    from . import core
+except ImportError, e:
+    raise ImportError(
+        """NOTE: You may need to run \"export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH\"
+    if you encounters \"libmkldnn.so not found\" errors. If you have python
+    installed in other directory, replace \"/usr/local/lib\" with your own
+    directory. The original error is: """ % str(e))
+except Exception, e:
+    raise e
 import unique_name
 
 __all__ = [