diff --git "a/lcof2/\345\211\221\346\214\207 Offer II 018. \346\234\211\346\225\210\347\232\204\345\233\236\346\226\207/README.md" "b/lcof2/\345\211\221\346\214\207 Offer II 018. \346\234\211\346\225\210\347\232\204\345\233\236\346\226\207/README.md"
index bb3de48e35f4e..6f059d073bca2 100644
--- "a/lcof2/\345\211\221\346\214\207 Offer II 018. \346\234\211\346\225\210\347\232\204\345\233\236\346\226\207/README.md"	
+++ "b/lcof2/\345\211\221\346\214\207 Offer II 018. \346\234\211\346\225\210\347\232\204\345\233\236\346\226\207/README.md"	
@@ -206,6 +206,35 @@ impl Solution {
 }
 ```
 
+#### Swift
+
+```swift
+class Solution {
+    func isPalindrome(_ s: String) -> Bool {
+        var i = s.startIndex
+        var j = s.index(before: s.endIndex)
+
+        while i < j {
+            while i < j && !s[i].isLetter && !s[i].isNumber {
+                i = s.index(after: i)
+            }
+            while i < j && !s[j].isLetter && !s[j].isNumber {
+                j = s.index(before: j)
+            }
+            if i >= j {
+                break
+            }
+            if s[i].lowercased() != s[j].lowercased() {
+                return false
+            }
+            i = s.index(after: i)
+            j = s.index(before: j)
+        }
+        return true
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->
diff --git "a/lcof2/\345\211\221\346\214\207 Offer II 018. \346\234\211\346\225\210\347\232\204\345\233\236\346\226\207/Solution.swift" "b/lcof2/\345\211\221\346\214\207 Offer II 018. \346\234\211\346\225\210\347\232\204\345\233\236\346\226\207/Solution.swift"
new file mode 100644
index 0000000000000..4f7e82123e45f
--- /dev/null
+++ "b/lcof2/\345\211\221\346\214\207 Offer II 018. \346\234\211\346\225\210\347\232\204\345\233\236\346\226\207/Solution.swift"	
@@ -0,0 +1,24 @@
+class Solution {
+    func isPalindrome(_ s: String) -> Bool {
+        var i = s.startIndex
+        var j = s.index(before: s.endIndex)
+
+        while i < j {
+            while i < j && !s[i].isLetter && !s[i].isNumber {
+                i = s.index(after: i)
+            }
+            while i < j && !s[j].isLetter && !s[j].isNumber {
+                j = s.index(before: j)
+            }
+            if i >= j {
+                break
+            }
+            if s[i].lowercased() != s[j].lowercased() {
+                return false
+            }
+            i = s.index(after: i)
+            j = s.index(before: j)
+        }
+        return true
+    }
+}