diff --git a/LeetCode/0104_Maximum_Depth_of_Binary_Tree.py b/LeetCode/0104_Maximum_Depth_of_Binary_Tree.py
new file mode 100644
index 0000000..0d0a184
--- /dev/null
+++ b/LeetCode/0104_Maximum_Depth_of_Binary_Tree.py
@@ -0,0 +1,12 @@
+# Definition for a binary tree node.
+# class TreeNode:
+#     def __init__(self, val=0, left=None, right=None):
+#         self.val = val
+#         self.left = left
+#         self.right = right
+class Solution:
+    def maxDepth(self, root: TreeNode) -> int:
+        if root==None:
+            return 0
+        else:
+            return max(self.maxDepth(root.left),self.maxDepth(root.right))+1