diff --git a/src/main/java/tenten/blooming/domain/subgoal/dto/SubgoalResponse.java b/src/main/java/tenten/blooming/domain/subgoal/dto/SubgoalResponse.java
index 84bef9e..4915f5d 100644
--- a/src/main/java/tenten/blooming/domain/subgoal/dto/SubgoalResponse.java
+++ b/src/main/java/tenten/blooming/domain/subgoal/dto/SubgoalResponse.java
@@ -15,11 +15,12 @@ public class SubgoalResponse {
     private String goalName;
     private Long goalId;
     private LocalDate goalCreateDate;
-    private List<SubgoalInfo> Subgoals;
+    private List<SubgoalInfo> SubgoalList;
 
     @Data
     @NoArgsConstructor
     public static class SubgoalInfo {
+        private Long subgoalId;
         private String subgoalName;
         private List<LocalDate> doneDateList;
     }
diff --git a/src/main/java/tenten/blooming/domain/subgoal/service/SubgoalService.java b/src/main/java/tenten/blooming/domain/subgoal/service/SubgoalService.java
index 11cb166..6c55647 100644
--- a/src/main/java/tenten/blooming/domain/subgoal/service/SubgoalService.java
+++ b/src/main/java/tenten/blooming/domain/subgoal/service/SubgoalService.java
@@ -13,6 +13,7 @@
 import tenten.blooming.domain.user.repository.UserRepository;
 
 import java.time.LocalDate;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -52,10 +53,23 @@ public List<Goal> getGoalByUserId(Long userId) {
 
     public SubgoalResponse getSubgoalInfoByUserId(Long userId) {
         List<Goal> goals = getGoalByUserId(userId);
-//        Goal goal = goals.get(goals.size() - 1);
+        Goal goal = goals.get(goals.size() - 1);
+        List<Subgoal> subgoals = goal.getSubgoals();
+        SubgoalResponse subgoalResponse = new SubgoalResponse();
+        List<SubgoalResponse.SubgoalInfo> subgoalInfoList = new ArrayList<>();
 
+        for(Subgoal subgoal : subgoals) {
+            SubgoalResponse.SubgoalInfo subgoalInfo = new SubgoalResponse.SubgoalInfo();
+            subgoalInfo.setSubgoalId(subgoal.getSubgoalId());
+            subgoalInfo.setSubgoalName(subgoal.getSubgoalName());
+            subgoalInfo.setDoneDateList(subgoal.getDoneDates());
+            subgoalInfoList.add(subgoalInfo);
+        }
 
-        SubgoalResponse subgoalResponse = new SubgoalResponse();
+        subgoalResponse.setGoalName(goal.getGoalName());
+        subgoalResponse.setGoalId(goal.getGoalId());
+        subgoalResponse.setGoalCreateDate(goal.getCreatedAt());
+        subgoalResponse.setSubgoalList(subgoalInfoList);
 
         return subgoalResponse;
     }