diff --git a/HealthMer/src/main/java/com/minijean/healthmer/controller/CategorySelectingController.java b/HealthMer/src/main/java/com/minijean/healthmer/controller/CategorySelectingController.java
new file mode 100644
index 0000000..6cdf876
--- /dev/null
+++ b/HealthMer/src/main/java/com/minijean/healthmer/controller/CategorySelectingController.java
@@ -0,0 +1,66 @@
+package com.minijean.healthmer.controller;
+
+import java.util.List;
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.minijean.healthmer.model.dto.Timer;
+import com.minijean.healthmer.model.service.CategorySelectingService;
+import com.minijean.healthmer.util.JwtUtil;
+
+@RestController
+@RequestMapping("/api/v1/category")
+public class CategorySelectingController {
+
+    private CategorySelectingService categorySelectingService;
+    private JwtUtil jwtUtil;
+    
+    public CategorySelectingController(CategorySelectingService categorySelectingService, JwtUtil jwtUtil) {
+		this.categorySelectingService = categorySelectingService;
+		this.jwtUtil = jwtUtil;
+	}
+
+//	@GetMapping("/{categoryId}/timers")
+//    @GetMapping("/{categoryId}")
+//    public ResponseEntity<?> getTimersByCategory(@PathVariable("categoryId") int categoryId) {
+//        if (categoryId < 1 || categoryId > 6) {
+//            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Invalid categoryId. Please provide a value between 1 and 6.");
+//        }
+//        System.out.println(categoryId);
+//        try {
+//            List<Timer> timers = categorySelectingService.getTimersByCategory(categoryId);
+//            System.out.println(timers);
+//            if (timers.isEmpty()) {
+//                return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
+//            }
+//            return ResponseEntity.ok(timers);
+//        } catch (Exception e) {
+//            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("An error occurred while fetching timers.");
+//        }
+//    }
+
+    @GetMapping("/{categoryId}")
+    public ResponseEntity<?> getTimersByCategory(@RequestHeader(HttpHeaders.AUTHORIZATION) String authorizationHeader, @PathVariable("categoryId") int categoryId) {
+        if (categoryId < 1 || categoryId > 6) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Invalid categoryId. Please provide a value between 1 and 6.");
+        }
+        try {
+            long userId = jwtUtil.extractUserId(authorizationHeader);
+            System.out.println(userId);
+            List<Timer> timers = categorySelectingService.getTimersByCategory(userId, categoryId);
+            if (timers.isEmpty()) {
+                return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
+            }
+            return ResponseEntity.ok(timers);
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("An error occurred while fetching timers.");
+        }
+    }
+}
\ No newline at end of file
diff --git a/HealthMer/src/main/java/com/minijean/healthmer/model/dao/CategorySelectingDao.java b/HealthMer/src/main/java/com/minijean/healthmer/model/dao/CategorySelectingDao.java
new file mode 100644
index 0000000..cb0874d
--- /dev/null
+++ b/HealthMer/src/main/java/com/minijean/healthmer/model/dao/CategorySelectingDao.java
@@ -0,0 +1,13 @@
+package com.minijean.healthmer.model.dao;
+
+import org.springframework.stereotype.Repository;
+
+import com.minijean.healthmer.model.dto.Timer;
+
+import java.util.List;
+import java.util.Map;
+
+@Repository
+public interface CategorySelectingDao {
+	List<Timer> selectTimersByUserIdAndCategory(Map<String, Object> params);
+}
\ No newline at end of file
diff --git a/HealthMer/src/main/java/com/minijean/healthmer/model/service/CategorySelectingService.java b/HealthMer/src/main/java/com/minijean/healthmer/model/service/CategorySelectingService.java
new file mode 100644
index 0000000..8e5c02b
--- /dev/null
+++ b/HealthMer/src/main/java/com/minijean/healthmer/model/service/CategorySelectingService.java
@@ -0,0 +1,22 @@
+package com.minijean.healthmer.model.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.minijean.healthmer.model.dao.CategorySelectingDao;
+import com.minijean.healthmer.model.dto.Timer;
+
+import java.util.List;
+import java.util.Map;
+
+@Service
+public class CategorySelectingService {
+
+    @Autowired
+    private CategorySelectingDao categorySelectingDao;
+
+    public List<Timer> getTimersByCategory(long userId, int categoryId) {
+    	List<Timer> tm = categorySelectingDao.selectTimersByUserIdAndCategory(Map.of("userId", userId, "categoryId", categoryId));
+        return tm;
+    }
+}
\ No newline at end of file
diff --git a/HealthMer/src/main/resources/Mappers/CategorySelectingMapper.xml b/HealthMer/src/main/resources/Mappers/CategorySelectingMapper.xml
new file mode 100644
index 0000000..500e658
--- /dev/null
+++ b/HealthMer/src/main/resources/Mappers/CategorySelectingMapper.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+        
+<mapper namespace="com.minijean.healthmer.model.dao.CategorySelectingDao">
+    <select id="selectTimersByUserIdAndCategory" parameterType="map" resultType="Timer">
+        SELECT ti.*
+        FROM timer_info ti
+        JOIN timer_category tc ON ti.id = tc.timer_info_id
+        JOIN health_category hc ON tc.health_category_id = hc.id
+        WHERE hc.id = #{categoryId} AND ti.user_id = #{userId}
+    </select>
+</mapper>