diff --git "a/leetcode3/\352\271\200\355\235\254\354\206\214/572.js" "b/leetcode3/\352\271\200\355\235\254\354\206\214/572.js"
new file mode 100644
index 00000000..829c77f3
--- /dev/null
+++ "b/leetcode3/\352\271\200\355\235\254\354\206\214/572.js"
@@ -0,0 +1,21 @@
+/**
+ * Definition for a binary tree node.
+ * function TreeNode(val, left, right) {
+ *     this.val = (val===undefined ? 0 : val)
+ *     this.left = (left===undefined ? null : left)
+ *     this.right = (right===undefined ? null : right)
+ * }
+ */
+/**
+ * @param {TreeNode} root
+ * @param {TreeNode} subRoot
+ * @return {boolean}
+ */
+
+ // root 하위 트리 중에서 subRoot와 구조,노드 값 모두 같은 것 있으면 true, 아니면 false
+var isSubtree = function(root, subRoot) {
+    if (root === null) return false;
+    if (root.val === subRoot.val) {
+        
+    }
+};
\ No newline at end of file