diff --git a/src/main/kotlin/com/swm_standard/phote/entity/Member.kt b/src/main/kotlin/com/swm_standard/phote/entity/Member.kt
index 3950dba..6d6445d 100644
--- a/src/main/kotlin/com/swm_standard/phote/entity/Member.kt
+++ b/src/main/kotlin/com/swm_standard/phote/entity/Member.kt
@@ -1,13 +1,19 @@
 package com.swm_standard.phote.entity
 
+import jakarta.persistence.CascadeType
 import jakarta.persistence.Column
 import jakarta.persistence.Entity
 import jakarta.persistence.EnumType
 import jakarta.persistence.Enumerated
 import jakarta.persistence.Id
+import jakarta.persistence.OneToMany
+import org.hibernate.annotations.SQLDelete
+import org.hibernate.annotations.SQLRestriction
 import java.util.UUID
 
 @Entity
+@SQLDelete(sql = "UPDATE question_set SET deleted_at = NOW() WHERE question_set_id = ?")
+@SQLRestriction("deleted_at is NULL")
 data class Member(
     val name: String,
     val email: String,
@@ -18,4 +24,13 @@ data class Member(
     @Id
     @Column(name = "member_uuid", nullable = false, unique = true)
     val id: UUID = UUID.randomUUID()
+
+    @OneToMany(mappedBy = "member", cascade = [(CascadeType.REMOVE)])
+    val questions: List<Question> = emptyList()
+
+    @OneToMany(mappedBy = "member", cascade = [(CascadeType.REMOVE)])
+    val workbooks: List<Workbook> = emptyList()
+
+    @OneToMany(mappedBy = "member", cascade = [(CascadeType.REMOVE)])
+    val exams: List<Exam> = emptyList()
 }
diff --git a/src/main/kotlin/com/swm_standard/phote/service/MemberService.kt b/src/main/kotlin/com/swm_standard/phote/service/MemberService.kt
index faca49e..ed0c262 100644
--- a/src/main/kotlin/com/swm_standard/phote/service/MemberService.kt
+++ b/src/main/kotlin/com/swm_standard/phote/service/MemberService.kt
@@ -10,9 +10,6 @@ class MemberService(
 ) {
     fun deleteMember(memberId: UUID): UUID {
         memberRepository.deleteById(memberId)
-        if (memberRepository.existsById(memberId)) {
-            throw IllegalStateException()
-        }
 
         return memberId
     }