diff --git a/backend/src/main/java/com/isp/backend/domain/schedule/entity/Schedule.java b/backend/src/main/java/com/isp/backend/domain/schedule/entity/Schedule.java
index 2bd92bc8..8f34dbda 100644
--- a/backend/src/main/java/com/isp/backend/domain/schedule/entity/Schedule.java
+++ b/backend/src/main/java/com/isp/backend/domain/schedule/entity/Schedule.java
@@ -2,6 +2,7 @@
 
 import com.isp.backend.domain.country.entity.Country;
 import com.isp.backend.domain.member.entity.Member;
+import com.isp.backend.domain.scheduleDetail.entity.CheckList;
 import com.isp.backend.domain.scheduleDetail.entity.ScheduleDetail;
 import com.isp.backend.global.common.BaseEntity;
 import jakarta.persistence.*;
@@ -49,5 +50,8 @@ public class Schedule extends BaseEntity {
     @Column(nullable = false)
     private boolean activated = true;
 
+    @OneToMany(mappedBy = "schedule", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<CheckList> checkLists = new ArrayList<>();
+
 
 }