diff --git a/include/solution/3136.h b/include/solution/3136.h
new file mode 100644
index 0000000..6511ea2
--- /dev/null
+++ b/include/solution/3136.h
@@ -0,0 +1,12 @@
+#ifndef INC_3136_H
+#define INC_3136_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include <stdbool.h>
+    bool isValid(char *word);
+#ifdef __cplusplus
+}
+#endif
+#endif
\ No newline at end of file
diff --git a/src/3136.c b/src/3136.c
new file mode 100644
index 0000000..f1b93bf
--- /dev/null
+++ b/src/3136.c
@@ -0,0 +1,33 @@
+#include <ctype.h>
+#include <solution/3136.h>
+
+bool isVowel(char c)
+{
+    return c == 'a' || c == 'A' || c == 'e' || c == 'E' || c == 'i' || c == 'I' || c == 'o' || c == 'O' || c == 'u' ||
+           c == 'U';
+}
+
+bool isConsonant(char c)
+{
+    return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) && !isVowel(c);
+}
+
+bool isValid(char *word)
+{
+    int length = 0;
+    bool haveVowel = false;
+    bool haveConsonant = false;
+
+    for (; *word != '\0'; word++, length++)
+    {
+        haveVowel = haveVowel || isVowel(*word);
+        haveConsonant = haveConsonant || isConsonant(*word);
+        if (!isdigit(*word) && !isVowel(*word) && !isConsonant(*word))
+            return false;
+    }
+
+    if (length < 3)
+        return false;
+
+    return haveVowel && haveConsonant;
+}
\ No newline at end of file
diff --git a/tests/test_3136.cpp b/tests/test_3136.cpp
new file mode 100644
index 0000000..747fc46
--- /dev/null
+++ b/tests/test_3136.cpp
@@ -0,0 +1,35 @@
+#include <gtest/gtest.h>
+#include <solution/3136.h>
+
+// 测试类定义
+class IsValidTest : public ::testing::Test
+{
+};
+
+// 示例 1：输入 "234Adas"，输出 true
+TEST_F(IsValidTest, ValidWord)
+{
+    char word[] = "234Adas";
+    EXPECT_TRUE(isValid(word));
+}
+
+// 示例 2：输入 "b3"，输出 false（长度 < 3 且无元音）
+TEST_F(IsValidTest, TooShortNoVowel)
+{
+    char word[] = "b3";
+    EXPECT_FALSE(isValid(word));
+}
+
+// 示例 3：输入 "a3$e"，输出 false（包含非法字符 $ 且无辅音）
+TEST_F(IsValidTest, HasSymbolNoConsonant)
+{
+    char word[] = "a3$e";
+    EXPECT_FALSE(isValid(word));
+}
+
+// 示例 3：输入 "3pp"，输出 false（无元音）
+TEST_F(IsValidTest, NoConsonant)
+{
+    char word[] = "3pp";
+    EXPECT_FALSE(isValid(word));
+}
\ No newline at end of file