diff --git a/src/main/java/com/hanaro/triptogether/trip/controller/TripController.java b/src/main/java/com/hanaro/triptogether/trip/controller/TripController.java
index 12c28fc..3e2afa4 100644
--- a/src/main/java/com/hanaro/triptogether/trip/controller/TripController.java
+++ b/src/main/java/com/hanaro/triptogether/trip/controller/TripController.java
@@ -1,6 +1,7 @@
 package com.hanaro.triptogether.trip.controller;
 
 import com.hanaro.triptogether.trip.dto.request.TripReqDto;
+import com.hanaro.triptogether.trip.dto.response.TripListResDto;
 import com.hanaro.triptogether.trip.dto.response.TripResDto;
 import com.hanaro.triptogether.trip.service.TripService;
 import lombok.RequiredArgsConstructor;
@@ -23,7 +24,7 @@ public TripResDto getTrip(@PathVariable("trip_idx") Long trip_idx) {
     }
 
     @GetMapping("/teams/{team_idx}")
-    public List<TripResDto> getTrips(@PathVariable("team_idx") Long team_idx) {
+    public TripListResDto getTrips(@PathVariable("team_idx") Long team_idx) {
         return tripService.getTripsByTeam(team_idx);
     }
 
diff --git a/src/main/java/com/hanaro/triptogether/trip/dto/response/TripListResDto.java b/src/main/java/com/hanaro/triptogether/trip/dto/response/TripListResDto.java
new file mode 100644
index 0000000..3e98b53
--- /dev/null
+++ b/src/main/java/com/hanaro/triptogether/trip/dto/response/TripListResDto.java
@@ -0,0 +1,13 @@
+package com.hanaro.triptogether.trip.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+@Builder
+public class TripListResDto {
+    private Long preferTripIdx;
+    private List<TripResDto> trips;
+}
diff --git a/src/main/java/com/hanaro/triptogether/trip/service/TripService.java b/src/main/java/com/hanaro/triptogether/trip/service/TripService.java
index 50d1f8a..997cdbb 100644
--- a/src/main/java/com/hanaro/triptogether/trip/service/TripService.java
+++ b/src/main/java/com/hanaro/triptogether/trip/service/TripService.java
@@ -14,6 +14,7 @@
 import com.hanaro.triptogether.trip.domain.Trip;
 import com.hanaro.triptogether.trip.domain.TripRepository;
 import com.hanaro.triptogether.trip.dto.request.TripReqDto;
+import com.hanaro.triptogether.trip.dto.response.TripListResDto;
 import com.hanaro.triptogether.trip.dto.response.TripResDto;
 import com.hanaro.triptogether.tripCity.domain.TripCity;
 import com.hanaro.triptogether.tripCity.domain.TripCityRepository;
@@ -50,14 +51,15 @@ public Trip findByTripIdx(Long tripIdx) {
         return tripRepository.findById(tripIdx).orElseThrow(() -> new ApiException(ExceptionEnum.TRIP_NOT_FOUND));
     }
 
-    public List<TripResDto> getTripsByTeam(Long teamIdx) {
-        teamService.findTeamByTeamIdx(teamIdx); // 팀 확인
+    public TripListResDto getTripsByTeam(Long teamIdx) {
+        Team team = teamService.findTeamByTeamIdx(teamIdx); // 팀 확인
         List<Trip> trips = tripRepository.findAllByTeam_TeamIdx(teamIdx);
         List<TripResDto> dtos = new ArrayList<>();
         for (Trip trip : trips) {
             dtos.add(toTripResDto(trip));
         }
-        return dtos;
+
+        return TripListResDto.builder().trips(dtos).preferTripIdx(team.getPreferTrip().getTripIdx()).build();
     }
 
     @Transactional
diff --git a/src/test/java/com/hanaro/triptogether/trip/service/TripServiceTest.java b/src/test/java/com/hanaro/triptogether/trip/service/TripServiceTest.java
index cbe4523..5c59f31 100644
--- a/src/test/java/com/hanaro/triptogether/trip/service/TripServiceTest.java
+++ b/src/test/java/com/hanaro/triptogether/trip/service/TripServiceTest.java
@@ -12,6 +12,7 @@
 import com.hanaro.triptogether.team.service.impl.TeamServiceImpl;
 import com.hanaro.triptogether.trip.domain.Trip;
 import com.hanaro.triptogether.trip.domain.TripRepository;
+import com.hanaro.triptogether.trip.dto.response.TripListResDto;
 import com.hanaro.triptogether.trip.dto.response.TripResDto;
 import com.hanaro.triptogether.tripCity.domain.TripCity;
 import com.hanaro.triptogether.tripCity.service.TripCityService;
@@ -82,6 +83,7 @@ static void init() {
                 .preferenceType(PreferenceType.모두)
                 .teamNotice("지각비 5만원")
                 .createdBy(member1)
+                .preferTrip(trip)
                 .build();
         country = CountryEntity.builder()
                 .countryIdx(1L)
@@ -144,15 +146,25 @@ void getTripsByTeam_success() {
         given(tripRepository.findAllByTeam_TeamIdx(trip.getTeam().getTeamIdx())).willReturn(List.of(trip, trip2));
         given(tripCityService.getTripCountry(trip.getTripIdx())).willReturn(trip.getTripCities());
         given(tripCityService.getTripCountry(trip2.getTripIdx())).willReturn(trip2.getTripCities());
+        given(teamService.findTeamByTeamIdx(trip.getTeam().getTeamIdx())).willReturn(Team.builder()
+                .teamIdx(1L)
+                .teamName("teamName")
+                .account(mock(Account.class))
+                .teamType(TeamType.여행)
+                .preferenceType(PreferenceType.모두)
+                .teamNotice("지각비 5만원")
+                .createdBy(member1)
+                .preferTrip(trip)
+                .build());
 
         //when
-        List<TripResDto> dtos = tripService.getTripsByTeam(trip.getTeam().getTeamIdx());
+        TripListResDto dto = tripService.getTripsByTeam(trip.getTeam().getTeamIdx());
 
 
         //then
-        assertEquals(2, dtos.size());
-        assertEquals(trip.getTripIdx(), dtos.get(0).getTripIdx());
-        assertEquals(trip2.getTripIdx(), dtos.get(1).getTripIdx());
+        assertEquals(2, dto.getTrips().size());
+        assertEquals(trip.getTripIdx(), dto.getTrips().get(0).getTripIdx());
+        assertEquals(trip2.getTripIdx(), dto.getTrips().get(1).getTripIdx());
     }
     @Test
     void getTripsByTeam_invalidTeamIdx() {