diff --git a/package.json b/package.json
index f6be5af72..0f0c2a088 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,8 @@
     "rc-animate": "2.x",
     "rc-menu": "4.x",
     "rc-trigger": "1.x",
-    "rc-util": "3.x"
+    "rc-util": "3.x",
+    "warning": "^2.1.0"
   },
   "pre-commit": [
     "lint"
diff --git a/src/FilterMixin.js b/src/FilterMixin.js
index 07f39ec8c..07387a4be 100644
--- a/src/FilterMixin.js
+++ b/src/FilterMixin.js
@@ -1,7 +1,9 @@
 import React from 'react';
-import OptGroup from './OptGroup';
 import { getValuePropValue, UNSELECTABLE_ATTRIBUTE, UNSELECTABLE_STYLE } from './util';
 import { Item as MenuItem, ItemGroup as MenuItemGroup } from 'rc-menu';
+import warning from 'warning';
+import OptGroup from './OptGroup';
+import Option from './Option';
 
 export default {
   filterOption(input, child) {
@@ -44,6 +46,13 @@ export default {
         }
         return;
       }
+
+      warning(
+        child.type === Option,
+        'the children of `Select` should be `Select.Option` or `Select.OptGroup`, ' +
+          `instead of \`${child.type.name || child.type.displayName || child.type}\`.`
+      );
+
       const childValue = getValuePropValue(child);
       if (this.filterOption(inputValue, child)) {
         sel.push(<MenuItem