diff --git "a/lcof2/\345\211\221\346\214\207 Offer II 085. \347\224\237\346\210\220\345\214\271\351\205\215\347\232\204\346\213\254\345\217\267/README.md" "b/lcof2/\345\211\221\346\214\207 Offer II 085. \347\224\237\346\210\220\345\214\271\351\205\215\347\232\204\346\213\254\345\217\267/README.md"
index 80e7c55cfd3ff..53f40338c844e 100644
--- "a/lcof2/\345\211\221\346\214\207 Offer II 085. \347\224\237\346\210\220\345\214\271\351\205\215\347\232\204\346\213\254\345\217\267/README.md"	
+++ "b/lcof2/\345\211\221\346\214\207 Offer II 085. \347\224\237\346\210\220\345\214\271\351\205\215\347\232\204\346\213\254\345\217\267/README.md"	
@@ -188,6 +188,31 @@ var generateParenthesis = function (n) {
 };
 ```
 
+#### Swift
+
+```swift
+class Solution {
+    func generateParenthesis(_ n: Int) -> [String] {
+        var ans = [String]()
+        dfs(0, 0, n, "", &ans)
+        return ans
+    }
+
+    private func dfs(_ left: Int, _ right: Int, _ n: Int, _ t: String, _ ans: inout [String]) {
+        if left == n && right == n {
+            ans.append(t)
+            return
+        }
+        if left < n {
+            dfs(left + 1, right, n, t + "(", &ans)
+        }
+        if right < left {
+            dfs(left, right + 1, n, t + ")", &ans)
+        }
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->
diff --git "a/lcof2/\345\211\221\346\214\207 Offer II 085. \347\224\237\346\210\220\345\214\271\351\205\215\347\232\204\346\213\254\345\217\267/Solution.swift" "b/lcof2/\345\211\221\346\214\207 Offer II 085. \347\224\237\346\210\220\345\214\271\351\205\215\347\232\204\346\213\254\345\217\267/Solution.swift"
new file mode 100644
index 0000000000000..ebda6543e2334
--- /dev/null
+++ "b/lcof2/\345\211\221\346\214\207 Offer II 085. \347\224\237\346\210\220\345\214\271\351\205\215\347\232\204\346\213\254\345\217\267/Solution.swift"	
@@ -0,0 +1,20 @@
+class Solution {
+    func generateParenthesis(_ n: Int) -> [String] {
+        var ans = [String]()
+        dfs(0, 0, n, "", &ans)
+        return ans
+    }
+
+    private func dfs(_ left: Int, _ right: Int, _ n: Int, _ t: String, _ ans: inout [String]) {
+        if left == n && right == n {
+            ans.append(t)
+            return
+        }
+        if left < n {
+            dfs(left + 1, right, n, t + "(", &ans)
+        }
+        if right < left {
+            dfs(left, right + 1, n, t + ")", &ans)
+        }
+    }
+}
\ No newline at end of file