diff --git a/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/GoalApplicationService.kt b/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/GoalApplicationService.kt
index cd671de..54bb3ba 100644
--- a/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/GoalApplicationService.kt
+++ b/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/GoalApplicationService.kt
@@ -183,7 +183,7 @@ class GoalApplicationService(
         isNotUsersGoal(goal, userId)
         isAlreadyStarted(goal)
 
-        goalService.delete(
+        goalService.softDelete(
             goal = goal,
             userEntity = userService.loadById(userId).fromDto(),
         )
diff --git a/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/UserApplicationService.kt b/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/UserApplicationService.kt
index 03818ca..5f96f1e 100644
--- a/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/UserApplicationService.kt
+++ b/raisedragon-api/src/main/kotlin/com/whatever/raisedragon/applicationservice/UserApplicationService.kt
@@ -1,7 +1,14 @@
 package com.whatever.raisedragon.applicationservice
 
+import com.whatever.raisedragon.common.exception.BaseException
+import com.whatever.raisedragon.common.exception.ExceptionCode
 import com.whatever.raisedragon.controller.user.UserNicknameDuplicatedResponse
 import com.whatever.raisedragon.controller.user.UserRetrieveResponse
+import com.whatever.raisedragon.domain.betting.BettingService
+import com.whatever.raisedragon.domain.gifticon.GifticonService
+import com.whatever.raisedragon.domain.goal.GoalService
+import com.whatever.raisedragon.domain.goalproof.GoalProofService
+import com.whatever.raisedragon.domain.refreshtoken.RefreshTokenService
 import com.whatever.raisedragon.domain.user.UserService
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -9,7 +16,12 @@ import org.springframework.transaction.annotation.Transactional
 @Service
 @Transactional(readOnly = true)
 class UserApplicationService(
-    private val userService: UserService
+    private val userService: UserService,
+    private val refreshTokenService: RefreshTokenService,
+    private val goalService: GoalService,
+    private val goalProofService: GoalProofService,
+    private val gifticonService: GifticonService,
+    private val bettingService: BettingService,
 ) {
 
     fun retrieve(id: Long): UserRetrieveResponse {
@@ -31,8 +43,21 @@ class UserApplicationService(
         )
     }
 
+    @Transactional
     fun delete(id: Long) {
-        userService.softDelete(id)
+        val user = userService.loadById(id)
+        if (goalService.findProceedingGoalIsExistsByUser(user)) {
+            throw BaseException.of(
+                exceptionCode = ExceptionCode.E400_BAD_REQUEST,
+                executionMessage = "아직 진행중인 다짐이 있어 회원탈퇴에 실패했습니다."
+            )
+        }
+        userService.hardDelete(id)
+        refreshTokenService.hardDelete(user)
+        goalService.hardDelete(user)
+        goalProofService.hardDelete(user)
+        gifticonService.hardDelete(user)
+        bettingService.hardDelete(user)
     }
 
     fun isNicknameDuplicated(
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/betting/BettingService.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/betting/BettingService.kt
index f3942ed..daefcb1 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/betting/BettingService.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/betting/BettingService.kt
@@ -1,7 +1,9 @@
 package com.whatever.raisedragon.domain.betting
 
 import com.whatever.raisedragon.domain.goal.GoalRepository
+import com.whatever.raisedragon.domain.user.User
 import com.whatever.raisedragon.domain.user.UserRepository
+import com.whatever.raisedragon.domain.user.fromDto
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -97,4 +99,10 @@ class BettingService(
             ?: throw IllegalStateException("Cannot find betting $bettingId")
         betting.deletedAt = LocalDateTime.now()
     }
+
+    @Transactional
+    fun hardDelete(user: User) {
+        val bettings = bettingRepository.findAllByUserEntity(user.fromDto())
+        bettingRepository.deleteAll(bettings)
+    }
 }
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonRepository.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonRepository.kt
index 2960b02..6c48274 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonRepository.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonRepository.kt
@@ -1,7 +1,10 @@
 package com.whatever.raisedragon.domain.gifticon
 
+import com.whatever.raisedragon.domain.user.UserEntity
 import org.springframework.data.jpa.repository.JpaRepository
 import org.springframework.stereotype.Repository
 
 @Repository
-interface GifticonRepository : JpaRepository<GifticonEntity, Long>
\ No newline at end of file
+interface GifticonRepository : JpaRepository<GifticonEntity, Long> {
+    fun findAllByUserEntity(userEntity: UserEntity): List<GifticonEntity>
+}
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonService.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonService.kt
index b176916..d1ae56a 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonService.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/gifticon/GifticonService.kt
@@ -1,16 +1,19 @@
 package com.whatever.raisedragon.domain.gifticon
 
+import com.whatever.raisedragon.domain.user.User
 import com.whatever.raisedragon.domain.user.UserRepository
+import com.whatever.raisedragon.domain.user.fromDto
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 
-@Transactional
+@Transactional(readOnly = true)
 @Service
 class GifticonService(
     private val gifticonRepository: GifticonRepository,
     private val userRepository: UserRepository
 ) {
 
+    @Transactional
     fun create(
         userId: Long,
         url: String,
@@ -27,4 +30,10 @@ class GifticonService(
     fun loadById(gifticonId: Long): Gifticon {
         return gifticonRepository.findById(gifticonId).get().toDto()
     }
+
+    @Transactional
+    fun hardDelete(user: User) {
+        val gifticons = gifticonRepository.findAllByUserEntity(user.fromDto())
+        gifticonRepository.deleteAll(gifticons)
+    }
 }
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalRepository.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalRepository.kt
index 1a97a17..c064a57 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalRepository.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalRepository.kt
@@ -14,4 +14,5 @@ interface GoalRepository : JpaRepository<GoalEntity, Long> {
     fun findAllByEndDateLessThanEqualAndResultIs(endDate: LocalDateTime, result: Result): List<GoalEntity>
 
     fun findAllByUserEntityAndResult(userEntity: UserEntity, result: Result): List<GoalEntity>
+    fun existsByUserEntityAndEndDateIsAfter(userEntity: UserEntity, now: LocalDateTime): Boolean
 }
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalService.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalService.kt
index 33ff88c..db57d82 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalService.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goal/GoalService.kt
@@ -1,7 +1,9 @@
 package com.whatever.raisedragon.domain.goal
 
+import com.whatever.raisedragon.domain.user.User
 import com.whatever.raisedragon.domain.user.UserEntity
 import com.whatever.raisedragon.domain.user.UserRepository
+import com.whatever.raisedragon.domain.user.fromDto
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -83,7 +85,7 @@ class GoalService(
     }
 
     @Transactional
-    fun delete(
+    fun softDelete(
         goal: Goal,
         userEntity: UserEntity,
     ): Goal {
@@ -93,8 +95,19 @@ class GoalService(
         return goalEntity.toDto()
     }
 
+    @Transactional
+    fun hardDelete(user: User) {
+        val goals = goalRepository.findAllByUserEntity(user.fromDto())
+        goalRepository.deleteAll(goals)
+    }
+
+    @Transactional
     fun increaseThreshold(goal: Goal, userEntity: UserEntity) {
         val goalEntity = goal.fromDto(userEntity)
         goalEntity.threshold = Threshold(goalEntity.threshold.value + 1)
     }
+
+    fun findProceedingGoalIsExistsByUser(user: User): Boolean {
+        return goalRepository.existsByUserEntityAndEndDateIsAfter(user.fromDto(), LocalDateTime.now())
+    }
 }
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofRepository.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofRepository.kt
index 9f452df..e8187ab 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofRepository.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofRepository.kt
@@ -9,5 +9,7 @@ import org.springframework.stereotype.Repository
 interface GoalProofRepository : JpaRepository<GoalProofEntity, Long> {
     fun findAllByUserEntityAndGoalEntity(userEntity: UserEntity, goalEntity: GoalEntity): List<GoalProofEntity>
 
+    fun findAllByUserEntity(userEntity: UserEntity): List<GoalProofEntity>
+
     fun countAllByGoalEntity(goalEntity: GoalEntity): Int
 }
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofService.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofService.kt
index 3642d29..512a465 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofService.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/goalproof/GoalProofService.kt
@@ -64,4 +64,10 @@ class GoalProofService(
         comment?.let { goalProof.comment = it }
         return goalProof.toDto()
     }
+
+    @Transactional
+    fun hardDelete(user: User) {
+        val goalProofs = goalProofRepository.findAllByUserEntity(user.fromDto())
+        goalProofRepository.deleteAll(goalProofs)
+    }
 }
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/refreshtoken/RefreshTokenService.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/refreshtoken/RefreshTokenService.kt
index f6fef12..829e36a 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/refreshtoken/RefreshTokenService.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/refreshtoken/RefreshTokenService.kt
@@ -29,4 +29,10 @@ class RefreshTokenService(
     fun updatePayloadByVo(refreshToken: RefreshToken, userEntity: UserEntity) {
         val refreshTokenEntity = refreshToken.fromDto(userEntity)
     }
+
+    @Transactional
+    fun hardDelete(user: User) {
+        val refreshTokenEntity = refreshTokenRepository.findByUserEntity(user.fromDto())!!
+        refreshTokenRepository.delete(refreshTokenEntity)
+    }
 }
\ No newline at end of file
diff --git a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/user/UserService.kt b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/user/UserService.kt
index 7370724..5582c6b 100644
--- a/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/user/UserService.kt
+++ b/raisedragon-core/src/main/kotlin/com/whatever/raisedragon/domain/user/UserService.kt
@@ -44,6 +44,12 @@ class UserService(
         userEntity.disable()
     }
 
+    @Transactional
+    fun hardDelete(id: Long) {
+        val userEntity = loadById(id).fromDto()
+        userRepository.delete(userEntity)
+    }
+
     @Transactional
     fun convertBySoftDeleteToEntity(id: Long) {
         val userEntity = loadById(id).fromDto()