diff --git "a/lcof2/\345\211\221\346\214\207 Offer II 002. \344\272\214\350\277\233\345\210\266\345\212\240\346\263\225/README.md" "b/lcof2/\345\211\221\346\214\207 Offer II 002. \344\272\214\350\277\233\345\210\266\345\212\240\346\263\225/README.md"
index 2ba8943f6c7e1..ef78bf34c96b0 100644
--- "a/lcof2/\345\211\221\346\214\207 Offer II 002. \344\272\214\350\277\233\345\210\266\345\212\240\346\263\225/README.md"	
+++ "b/lcof2/\345\211\221\346\214\207 Offer II 002. \344\272\214\350\277\233\345\210\266\345\212\240\346\263\225/README.md"	
@@ -181,6 +181,35 @@ public class Solution {
 }
 ```
 
+#### Swift
+
+```swift
+class Solution {
+    func addBinary(_ a: String, _ b: String) -> String {
+        var result = ""
+        var carry = 0
+        var i = a.count - 1, j = b.count - 1
+        
+        let aChars = Array(a)
+        let bChars = Array(b)
+        
+        while i >= 0 || j >= 0 || carry > 0 {
+            let digitA = i >= 0 ? Int(String(aChars[i]))! : 0
+            let digitB = j >= 0 ? Int(String(bChars[j]))! : 0
+            
+            carry += digitA + digitB
+            result = "\(carry % 2)" + result
+            carry /= 2
+            
+            i -= 1
+            j -= 1
+        }
+        
+        return result
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->
diff --git "a/lcof2/\345\211\221\346\214\207 Offer II 002. \344\272\214\350\277\233\345\210\266\345\212\240\346\263\225/Solution.swift" "b/lcof2/\345\211\221\346\214\207 Offer II 002. \344\272\214\350\277\233\345\210\266\345\212\240\346\263\225/Solution.swift"
new file mode 100644
index 0000000000000..28a3b741d9412
--- /dev/null
+++ "b/lcof2/\345\211\221\346\214\207 Offer II 002. \344\272\214\350\277\233\345\210\266\345\212\240\346\263\225/Solution.swift"	
@@ -0,0 +1,24 @@
+class Solution {
+    func addBinary(_ a: String, _ b: String) -> String {
+        var result = ""
+        var carry = 0
+        var i = a.count - 1, j = b.count - 1
+        
+        let aChars = Array(a)
+        let bChars = Array(b)
+        
+        while i >= 0 || j >= 0 || carry > 0 {
+            let digitA = i >= 0 ? Int(String(aChars[i]))! : 0
+            let digitB = j >= 0 ? Int(String(bChars[j]))! : 0
+            
+            carry += digitA + digitB
+            result = "\(carry % 2)" + result
+            carry /= 2
+            
+            i -= 1
+            j -= 1
+        }
+        
+        return result
+    }
+}