diff --git a/README.md b/README.md
index 8d4623bd2a4838a022233b6045823e45f250c142..6d452d917a9bb38ba3c6bd3b9d4ecfa2f61cf7c9 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ Needs react-native >= 0.14.2
 - <b>selectedValue</b> any
 - <b>onPickerDone</b> function
 - <b>onPickerCancel</b> function
+- <b>onValueChange</b> function
 
 ####Methods
 - <b>toggle</b> show or hide picker, default to be hiden
diff --git a/index.js b/index.js
index bab68c3e04b777af63f96e5b45bc4741dd620c16..a535c1f6d30f7570332725495fdbb72e22b695d7 100644
--- a/index.js
+++ b/index.js
@@ -33,7 +33,8 @@ export default class PickerAny extends React.Component {
 		pickerData: PropTypes.any.isRequired,
 		selectedValue: PropTypes.any.isRequired,
 		onPickerDone: PropTypes.func,
-		onPickerCancel: PropTypes.func
+		onPickerCancel: PropTypes.func,
+		onValueChange: PropTypes.func
 	};
 
 	static defaultProps = {
@@ -42,7 +43,8 @@ export default class PickerAny extends React.Component {
 		pickerHeight: 250,
 		showDuration: 300,
 		onPickerDone: ()=>{},
-		onPickerCancel: ()=>{}
+		onPickerCancel: ()=>{},
+		onValueChange: ()=>{}
 	};
 
 	constructor(props, context){
@@ -81,6 +83,7 @@ export default class PickerAny extends React.Component {
 		let selectedValue = props.selectedValue;
 		let onPickerDone = props.onPickerDone;
 		let onPickerCancel = props.onPickerCancel;
+		let onValueChange = props.onValueChange;
 
 		let pickerStyle = pickerData.constructor === Array ? 'parallel' : 'cascade';
 		let firstWheelData;
@@ -126,6 +129,7 @@ export default class PickerAny extends React.Component {
 			selectedValue,
 			onPickerDone,
 			onPickerCancel,
+			onValueChange,
 			//list of first wheel data
 			firstWheelData,
 			//first wheel selected value
@@ -224,6 +228,7 @@ export default class PickerAny extends React.Component {
 							me.setState({
 								selectedValue: JSON.parse(JSON.stringify(me.pickedValue))
 							});
+							me.state.onValueChange(JSON.parse(JSON.stringify(me.pickedValue)), index);
 						}} >
 						{item.map((value, index) => (
 							<PickerItem
@@ -310,6 +315,7 @@ export default class PickerAny extends React.Component {
 							thirdPickedDataIndex: index,
 							selectedValue: 'wheel3'+index
 						});
+						me.state.onValueChange(JSON.parse(JSON.stringify(me.pickedValue)), 2);
 					}} >
 					{me.state.thirdWheelData.map((value, index) => (
 						<PickerItem
@@ -348,6 +354,7 @@ export default class PickerAny extends React.Component {
 								thirdWheelData: cascadeData.thirdWheelData,
 								thirdPickedDataIndex: 0
 							});
+							me.state.onValueChange(JSON.parse(JSON.stringify(me.pickedValue)), 0);
 							me.refs.secondWheel && me.refs.secondWheel.moveTo && me.refs.secondWheel.moveTo(0);
 							me.refs.thirdWheel && me.refs.thirdWheel.moveTo && me.refs.thirdWheel.moveTo(0);
 						}} >
@@ -379,6 +386,7 @@ export default class PickerAny extends React.Component {
 								thirdPickedDataIndex: 0,
 								selectedValue: 'wheel2'+index
 							});
+							me.state.onValueChange(JSON.parse(JSON.stringify(me.pickedValue)), 1);
 							me.refs.thirdWheel && me.refs.thirdWheel.moveTo && me.refs.thirdWheel.moveTo(0);
 						}} >
 						{me.state.secondWheelData.map((value, index) => (
diff --git a/package.json b/package.json
index 5af20733e8f036cfac5f75d97f15159ab8848a18..268aef9359a96de2c3cff59f9245e3241bf09824 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-picker",
-  "version": "0.3.5",
+  "version": "0.4.0",
   "description": "react-native-picker",
   "main": "index.js",
   "scripts": {