diff --git a/src/other/tree2.js b/src/other/tree2.js
new file mode 100644
index 0000000..95f1dd2
--- /dev/null
+++ b/src/other/tree2.js
@@ -0,0 +1,63 @@
+//实现二叉树
+class BinaryTree {
+    constructor(data) {
+        this.data = data;
+        this.left = null;
+        this.right = null;
+    }
+}
+BinaryTree.prototype.insert = function(data) {
+    if (data < this.data) {
+        if (this.left === null) {
+            this.left = new BinaryTree(data);
+        }
+    }
+}
+BinaryTree.prototype.traverse = function(callback) {
+    if (this.left !== null) {
+        this.left.traverse(callback);
+    }
+}
+// 查找树
+BinaryTree.prototype.find = function(data) {
+    if (this.data === data) {
+        return this;
+    }
+    for (let i = 0; i < this.children.length; i++) {
+        let result = this.children[i].find(data);
+        if (result) {
+            return result;
+        }
+    }
+    return null;
+}
+// 删除树
+BinaryTree.prototype.remove = function(data) {
+    for (let i = 0; i < this.children.length; i++) {
+        if (this.children[i].data === data) {
+            this.children.splice(i, 1);
+            return;
+        }
+    }
+}
+// 清空树
+BinaryTree.prototype.clear = function() {
+    this.children = [];
+}
+// 树的高度
+BinaryTree.prototype.height = function() {
+    let height = 0;
+}
+// 树的深度
+BinaryTree.prototype.depth = function() {
+    let depth = 0;
+}
+// 树的大小
+BinaryTree.prototype.size = function() {
+    let size = 0;
+}
+// 树的叶子节点
+BinaryTree.prototype.leaf = function() {
+    let leaf = 0;
+}
+module.exports = BinaryTree;
\ No newline at end of file