diff --git a/src/map/Tooltip.js b/src/map/Tooltip.js
new file mode 100644
index 0000000..d3ddb3b
--- /dev/null
+++ b/src/map/Tooltip.js
@@ -0,0 +1,105 @@
+import {
+    isString,
+    isFunction,
+    merge
+} from '../common/Util';
+export default class Tooltip {
+    constructor(toolDom) {
+        this._dom = this._create(toolDom);
+        this._tooltipTemplate = null;
+        this._opts = {};
+        this.isShow = null;
+        this.hide();
+    }
+    _create(toolDom) {
+        let dom = document.createElement('div');
+        dom.classList.add('inmap-tooltip');
+        toolDom.appendChild(dom);
+        return dom;
+    }
+    _compileTooltipTemplate(formatter) {
+        //语法解析 先暂时不支持ie11
+        let RexStr = /\{|\}/g;
+        formatter = formatter.replace(RexStr, function (MatchStr) {
+            switch (MatchStr) {
+                case '{':
+                    return 'overItem.';
+                case '}':
+                    return '';
+                default:
+                    break;
+            }
+        });
+        this._tooltipTemplate = new Function('overItem', 'return ' + formatter);
+    }
+    show(x, y, text) {
+        let {
+            left,
+            top
+        } = this._opts.offsets;
+        this._dom.innerHTML = text;
+        this._dom.style.left = x + left + 'px';
+        this._dom.style.top = y + top + 'px';
+        this._show();
+    }
+
+    showText(text, x, y) {
+        this._dom.innerHTML = text;
+        this._dom.style.left = x + 'px';
+        this._dom.style.top = y + 'px';
+        this._show();
+    }
+    _show() {
+        if (this.isShow != true) {
+            this.isShow = true;
+            this._dom.style.display = 'block';
+        }
+    }
+    hide() {
+        if (this.isShow != false) {
+            this.isShow = false;
+            this._dom.style.display = 'none';
+        }
+
+    }
+    setOption(opts) {
+        let result = merge(this._opts, opts);
+        let {
+            formatter,
+            customClass
+        } = result;
+
+        if (isString(formatter)) { //编译字符串
+            this._compileTooltipTemplate(result.formatter);
+        }
+
+        if (this._opts.customClass) {
+            this._dom.classList.remove(this._opts.customClass);
+        }
+
+        this._dom.classList.add(customClass);
+        this._opts = result;
+    }
+    render(event, overItem) {
+        if (!this._opts.show) return;
+        if (overItem) {
+            let formatter = this._opts.formatter;
+            let text = null;
+            if (isFunction(formatter)) {
+                text = formatter(overItem);
+            } else if (isString(formatter)) {
+                text = this._tooltipTemplate(overItem);
+            }
+            this.show(event.offsetX, event.offsetY, text);
+        } else {
+            this.hide();
+        }
+
+    }
+    dispose() {
+        this._dom.parentNode.removeChild(this._dom);
+        this._tooltipTemplate = null;
+        this._opts = null;
+        this._dom = null;
+    }
+}
\ No newline at end of file