diff --git a/src/main/java/side/onetime/controller/FixedController.java b/src/main/java/side/onetime/controller/FixedController.java
index 4d5b9ee..accf958 100644
--- a/src/main/java/side/onetime/controller/FixedController.java
+++ b/src/main/java/side/onetime/controller/FixedController.java
@@ -5,6 +5,7 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import side.onetime.dto.fixed.request.CreateFixedEventRequest;
+import side.onetime.dto.fixed.response.FixedEventDetailResponse;
 import side.onetime.dto.fixed.response.FixedEventResponse;
 import side.onetime.global.common.ApiResponse;
 import side.onetime.global.common.status.SuccessStatus;
@@ -40,4 +41,15 @@ public ResponseEntity<ApiResponse<List<FixedEventResponse>>> getAllFixedSchedule
 
         return ApiResponse.onSuccess(SuccessStatus._GET_ALL_FIXED_SCHEDULES, fixedEventResponses);
     }
+
+    // 특정 고정 스케줄 상세 조회 API
+    @GetMapping("/{id}")
+    public ResponseEntity<ApiResponse<FixedEventDetailResponse>> getFixedScheduleDetail(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @PathVariable("id") Long fixedScheduleId) {
+
+        FixedEventDetailResponse fixedEventDetailResponse = fixedScheduleService.getFixedScheduleDetail(authorizationHeader, fixedScheduleId);
+
+        return ApiResponse.onSuccess(SuccessStatus._GET_FIXED_SCHEDULE_DETAIL, fixedEventDetailResponse);
+    }
 }
diff --git a/src/main/java/side/onetime/dto/fixed/response/FixedEventDetailResponse.java b/src/main/java/side/onetime/dto/fixed/response/FixedEventDetailResponse.java
new file mode 100644
index 0000000..b7e779b
--- /dev/null
+++ b/src/main/java/side/onetime/dto/fixed/response/FixedEventDetailResponse.java
@@ -0,0 +1,25 @@
+package side.onetime.dto.fixed.response;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
+
+import java.util.List;
+
+@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public record FixedEventDetailResponse(
+        String title,
+        String startTime,
+        String endTime,
+        List<FixedScheduleResponse> schedules
+) {
+    public static FixedEventDetailResponse of(String title, String startTime, String endTime, List<FixedScheduleResponse> schedules) {
+        return new FixedEventDetailResponse(
+                title,
+                startTime,
+                endTime,
+                schedules
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/side/onetime/dto/fixed/response/FixedEventResponse.java b/src/main/java/side/onetime/dto/fixed/response/FixedEventResponse.java
index 1fad285..10c84de 100644
--- a/src/main/java/side/onetime/dto/fixed/response/FixedEventResponse.java
+++ b/src/main/java/side/onetime/dto/fixed/response/FixedEventResponse.java
@@ -14,7 +14,7 @@ public record FixedEventResponse(
         String endTime,
         List<FixedScheduleResponse> schedules
 ) {
-    public static FixedEventResponse of (Long id, String startTime, String endTime, List<FixedScheduleResponse> schedules) {
+    public static FixedEventResponse of(Long id, String startTime, String endTime, List<FixedScheduleResponse> schedules) {
         return new FixedEventResponse(
                 id,
                 startTime,
diff --git a/src/main/java/side/onetime/exception/status/FixedErrorStatus.java b/src/main/java/side/onetime/exception/status/FixedErrorStatus.java
index 75a462e..fccbac7 100644
--- a/src/main/java/side/onetime/exception/status/FixedErrorStatus.java
+++ b/src/main/java/side/onetime/exception/status/FixedErrorStatus.java
@@ -11,7 +11,8 @@
 public enum FixedErrorStatus implements BaseErrorCode {
     _NOT_FOUND_FIXED_SCHEDULES(HttpStatus.NOT_FOUND, "FIXED-001", "고정 스케줄 목록을 가져오는 데 실패했습니다."),
     _NOT_FOUND_FIXED_EVENTS(HttpStatus.NOT_FOUND, "FIXED-002", "고정 이벤트 목록을 가져오는 데 실패했습니다."),
-    _NOT_FOUND_FIXED_SELECTIONS(HttpStatus.NOT_FOUND, "FIXED-003", "고정 스케줄 선택 목록을 가져오는 데 실패했습니다."),
+    _NOT_FOUND_FIXED_EVENT(HttpStatus.NOT_FOUND, "FIXED-003", "특정 고정 이벤트를 가져오는 데 실패했습니다."),
+    _NOT_FOUND_FIXED_SELECTIONS(HttpStatus.NOT_FOUND, "FIXED-004", "고정 스케줄 선택 목록을 가져오는 데 실패했습니다."),
     ;
 
     private final HttpStatus httpStatus;
diff --git a/src/main/java/side/onetime/global/common/status/SuccessStatus.java b/src/main/java/side/onetime/global/common/status/SuccessStatus.java
index c58a45a..12c67f2 100644
--- a/src/main/java/side/onetime/global/common/status/SuccessStatus.java
+++ b/src/main/java/side/onetime/global/common/status/SuccessStatus.java
@@ -47,6 +47,7 @@ public enum SuccessStatus implements BaseCode {
     // Fixed
     _CREATED_FIXED_SCHEDULE(HttpStatus.CREATED, "201", "고정 스케줄 등록에 성공했습니다."),
     _GET_ALL_FIXED_SCHEDULES(HttpStatus.OK, "200", "전체 고정 스케줄 조회에 성공했습니다."),
+    _GET_FIXED_SCHEDULE_DETAIL(HttpStatus.OK, "200", "특정 고정 스케줄 상세 조회에 성공했습니다."),
     ;
 
     private final HttpStatus httpStatus;
diff --git a/src/main/java/side/onetime/service/FixedScheduleService.java b/src/main/java/side/onetime/service/FixedScheduleService.java
index a5384f5..dec1f2e 100644
--- a/src/main/java/side/onetime/service/FixedScheduleService.java
+++ b/src/main/java/side/onetime/service/FixedScheduleService.java
@@ -8,6 +8,7 @@
 import side.onetime.domain.FixedSelection;
 import side.onetime.domain.User;
 import side.onetime.dto.fixed.request.CreateFixedEventRequest;
+import side.onetime.dto.fixed.response.FixedEventDetailResponse;
 import side.onetime.dto.fixed.response.FixedEventResponse;
 import side.onetime.dto.fixed.response.FixedScheduleResponse;
 import side.onetime.exception.CustomException;
@@ -59,7 +60,6 @@ public void createFixedSchedules(CreateFixedEventRequest createFixedEventRequest
     public List<FixedEventResponse> getAllFixedSchedules(String authorizationHeader) {
         User user = jwtUtil.getUserFromHeader(authorizationHeader);
 
-        // 유저의 고정 이벤트와 해당 이벤트에 대한 고정 선택 및 고정 스케줄을 QueryDSL로 조회
         List<FixedEvent> fixedEvents = fixedEventRepository.findAllByUser(user);
 
         if (fixedEvents.isEmpty()) {
@@ -87,4 +87,31 @@ public List<FixedEventResponse> getAllFixedSchedules(String authorizationHeader)
 
         return fixedEventResponses;
     }
+
+    // 특정 고정 스케줄 상세 조회 메서드
+    @Transactional(readOnly = true)
+    public FixedEventDetailResponse getFixedScheduleDetail(String authorizationHeader, Long fixedScheduleId) {
+        User user = jwtUtil.getUserFromHeader(authorizationHeader);
+
+        // 고정 이벤트 조회
+        FixedEvent fixedEvent = fixedEventRepository.findByUserAndFixedEventId(user, fixedScheduleId);
+        if (fixedEvent == null) {
+            throw new CustomException(FixedErrorStatus._NOT_FOUND_FIXED_EVENT);
+        }
+
+        // 고정 선택을 요일별로 그룹화하여 시간 목록을 생성
+        Map<String, List<String>> groupedSchedules = fixedEvent.getFixedSelections().stream()
+                .collect(Collectors.groupingBy(
+                        selection -> selection.getFixedSchedule().getDay(),
+                        Collectors.mapping(selection -> selection.getFixedSchedule().getTime(), Collectors.toList())
+                ));
+
+        // 고정 스케줄 정보 생성
+        List<FixedScheduleResponse> scheduleResponses = groupedSchedules.entrySet().stream()
+                .map(entry -> FixedScheduleResponse.of(entry.getKey(), entry.getValue()))
+                .collect(Collectors.toList());
+
+        // 고정 이벤트 상세 정보 반환
+        return FixedEventDetailResponse.of(fixedEvent.getTitle(), fixedEvent.getStartTime(), fixedEvent.getEndTime(), scheduleResponses);
+    }
 }
\ No newline at end of file