diff --git a/components/date-picker/style/MonthPicker.less b/components/date-picker/style/MonthPicker.less
index ac1d545c9a..a6a7f7a69b 100644
--- a/components/date-picker/style/MonthPicker.less
+++ b/components/date-picker/style/MonthPicker.less
@@ -2,5 +2,6 @@
   .@{calendar-prefix-cls}-month-panel,
   .@{calendar-prefix-cls}-year-panel {
     top: 0;
+    height: 248px;
   }
 }