diff --git a/solution/0100-0199/0133.Clone Graph/README.md b/solution/0100-0199/0133.Clone Graph/README.md
index 9ddb2d980fbb0..084b1120ad0d8 100644
--- a/solution/0100-0199/0133.Clone Graph/README.md	
+++ b/solution/0100-0199/0133.Clone Graph/README.md	
@@ -99,6 +99,43 @@
 
 ```
 
+### **TypeScript**
+
+```ts
+/**
+ * Definition for Node.
+ * class Node {
+ *     val: number
+ *     neighbors: Node[]
+ *     constructor(val?: number, neighbors?: Node[]) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.neighbors = (neighbors===undefined ? [] : neighbors)
+ *     }
+ * }
+ */
+
+function cloneGraph(node: Node | null): Node | null {
+    if (node == null) return null;
+
+    const visited = new Map();
+    visited.set(node, new Node(node.val));
+    const queue = [node];
+    while (queue.length) {
+        const cur = queue.shift();
+        for (let neighbor of cur.neighbors || []) {
+            if (!visited.has(neighbor)) {
+                queue.push(neighbor);
+                const newNeighbor = new Node(neighbor.val, []);
+                visited.set(neighbor, newNeighbor);
+            }
+            const newNode = visited.get(cur);
+            newNode.neighbors.push(visited.get(neighbor));
+        }
+    }
+    return visited.get(node);
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/0100-0199/0133.Clone Graph/README_EN.md b/solution/0100-0199/0133.Clone Graph/README_EN.md
index e7c7f9bb943fa..edc5b72a45d22 100644
--- a/solution/0100-0199/0133.Clone Graph/README_EN.md	
+++ b/solution/0100-0199/0133.Clone Graph/README_EN.md	
@@ -113,6 +113,43 @@ class Node {
 
 ```
 
+### **TypeScript**
+
+```ts
+/**
+ * Definition for Node.
+ * class Node {
+ *     val: number
+ *     neighbors: Node[]
+ *     constructor(val?: number, neighbors?: Node[]) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.neighbors = (neighbors===undefined ? [] : neighbors)
+ *     }
+ * }
+ */
+
+function cloneGraph(node: Node | null): Node | null {
+    if (node == null) return null;
+
+    const visited = new Map();
+    visited.set(node, new Node(node.val));
+    const queue = [node];
+    while (queue.length) {
+        const cur = queue.shift();
+        for (let neighbor of cur.neighbors || []) {
+            if (!visited.has(neighbor)) {
+                queue.push(neighbor);
+                const newNeighbor = new Node(neighbor.val, []);
+                visited.set(neighbor, newNeighbor);
+            }
+            const newNode = visited.get(cur);
+            newNode.neighbors.push(visited.get(neighbor));
+        }
+    }
+    return visited.get(node);
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/0100-0199/0133.Clone Graph/Solution.ts b/solution/0100-0199/0133.Clone Graph/Solution.ts
new file mode 100644
index 0000000000000..28fa7f007f933
--- /dev/null
+++ b/solution/0100-0199/0133.Clone Graph/Solution.ts	
@@ -0,0 +1,32 @@
+/**
+ * Definition for Node.
+ * class Node {
+ *     val: number
+ *     neighbors: Node[]
+ *     constructor(val?: number, neighbors?: Node[]) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.neighbors = (neighbors===undefined ? [] : neighbors)
+ *     }
+ * }
+ */
+
+ function cloneGraph(node: Node | null): Node | null {
+    if (node == null) return null;
+
+    const visited = new Map();
+    visited.set(node, new Node(node.val));
+    const queue = [node];
+    while (queue.length) {
+        const cur = queue.shift();
+        for (let neighbor of cur.neighbors || []) {
+            if (!visited.has(neighbor)) {
+                queue.push(neighbor);
+                const newNeighbor = new Node(neighbor.val, []);
+                visited.set(neighbor, newNeighbor);
+            }
+            const newNode = visited.get(cur);
+            newNode.neighbors.push(visited.get(neighbor));
+        }
+    }
+    return visited.get(node);
+};