diff --git a/codes/c/chapter_divide_and_conquer/CMakeLists.txt b/codes/c/chapter_divide_and_conquer/CMakeLists.txt
index 04f0bf4f1..34e23f6de 100644
--- a/codes/c/chapter_divide_and_conquer/CMakeLists.txt
+++ b/codes/c/chapter_divide_and_conquer/CMakeLists.txt
@@ -1 +1,2 @@
+add_executable(binary_search_recur binary_search_recur.c)
 add_executable(hanota hanota.c)
diff --git a/codes/c/chapter_divide_and_conquer/binary_search_recur.c b/codes/c/chapter_divide_and_conquer/binary_search_recur.c
new file mode 100644
index 000000000..72b579bf5
--- /dev/null
+++ b/codes/c/chapter_divide_and_conquer/binary_search_recur.c
@@ -0,0 +1,47 @@
+/**
+ * File: binary_search_recur.c
+ * Created Time: 2023-10-01
+ * Author: Zuoxun (845242523@qq.com)
+ */
+
+#include "../utils/common.h"
+
+/* 二分查找：问题 f(i, j) */
+int dfs(int nums[], int target, int i, int j) {
+    // 若区间为空，代表无目标元素，则返回 -1
+    if (i > j) {
+        return -1;
+    }
+    // 计算中点索引 m
+    int m = (i + j) / 2;
+    if (nums[m] < target) {
+        // 递归子问题 f(m+1, j)
+        return dfs(nums, target, m + 1, j);
+    } else if (nums[m] > target) {
+        // 递归子问题 f(i, m-1)
+        return dfs(nums, target, i, m - 1);
+    } else {
+        // 找到目标元素，返回其索引
+        return m;
+    }
+}
+
+/* 二分查找 */
+int binarySearch(int nums[], int target, int numsSize) {
+    int n = numsSize;
+    // 求解问题 f(0, n-1)
+    return dfs(nums, target, 0, n - 1);
+}
+
+/* Driver Code */
+int main() {
+    int target = 6;
+    int nums[] = {1, 3, 6, 8, 12, 15, 23, 26, 31, 35};
+    int numsSize = sizeof(nums) / sizeof(nums[0]);
+
+    // 二分查找（双闭区间）
+    int index = binarySearch(nums, target, numsSize);
+    printf("目标元素 6 的索引 = %d\n", index);
+    
+    return 0;
+}