diff --git a/src/leetcode/linked-list.md b/src/leetcode/linked-list.md
index 710625b..6267a26 100644
--- a/src/leetcode/linked-list.md
+++ b/src/leetcode/linked-list.md
@@ -1 +1,18 @@
-# Linked List
\ No newline at end of file
+# Linked List
++ [Middle of the Linked List](#middle-of-the-linked-list)
+## Middle of the Linked List
+https://leetcode.com/problems/middle-of-the-linked-list/
+```java
+class Solution {
+    public ListNode middleNode(ListNode head) {
+        ListNode slow = head;
+        ListNode fast = head;
+        while (fast != null && fast.next != null) {
+            slow = slow.next;
+            fast = fast.next.next;
+        }
+        return slow;
+    }
+}
+
+```