diff --git a/problems/0131.分割回文串.md b/problems/0131.分割回文串.md
index 80ac2843..1d230ca8 100644
--- a/problems/0131.分割回文串.md
+++ b/problems/0131.分割回文串.md
@@ -847,6 +847,50 @@ object Solution {
   }
 }
 ```
+### CSharp
+```csharp
+public class Solution
+{
+    public IList<IList<string>> res = new List<IList<string>>();
+    public IList<string> path = new List<string>();
+    public IList<IList<string>> Partition(string s)
+    {
+        BackTracking(s, 0);
+        return res;
+    }
+    public void BackTracking(string s, int start)
+    {
+        if (start >= s.Length)
+        {
+            res.Add(new List<string>(path));
+            return;
+        }
+
+        for (int i = start; i < s.Length; i++)
+        {
+            if (IsPalindrome(s, start, i))
+            {
+                path.Add(s.Substring(start, i - start + 1));
+            }
+            else
+            {
+                continue;
+            }
+            BackTracking(s, i + 1);
+            path.RemoveAt(path.Count - 1);
+        }
+    }
+    public bool IsPalindrome(string s, int start, int end)
+    {
+        for (int i = start, j = end; i < j; i++, j--)
+        {
+            if (s[i] != s[j])
+                return false;
+        }
+        return true;
+    }
+}
+```
 
 
 <p align="center">