diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberRepository.kt b/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberRepository.kt
index 4d7ead6..c7826ba 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberRepository.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberRepository.kt
@@ -62,7 +62,6 @@ interface MemberQueryRepository {
 
     fun getMemberProfile(memberId: Long, myMemberId: Long): GetMemberProfileResponse
 
-    fun existsByEmail(email: String): Boolean
     fun existsByNickname(nickname: String): Boolean
     fun findNicknamesWithPrefix(prefix: String): List<String>
 }
@@ -486,14 +485,6 @@ class MemberQueryRepositoryImpl(
             .fetchFirst()
     }
 
-    override fun existsByEmail(email: String): Boolean {
-        return queryFactory
-            .selectOne()
-            .from(member)
-            .where(member.email.eq(email))
-            .fetchFirst() != null
-    }
-
     override fun existsByNickname(nickname: String): Boolean {
         return queryFactory
             .selectOne()
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt
index 93cf16e..a1162d1 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt
@@ -286,11 +286,22 @@ class MemberService(
         isAdmin: Boolean = false,
         isCreator: Boolean = false
     ): LoginResponse {
-        val member = repository.findByEmail(email = email) ?: throw SodaException("로그인 정보를 확인해주세요.")
+        val member = repository.findByEmail(email = email) ?: throw SodaException("없는 계정입니다.")
+
         if (!member.isActive) {
             throw SodaException("탈퇴한 계정입니다.\n고객센터로 문의해 주시기 바랍니다.")
         }
 
+        if (member.provider != MemberProvider.EMAIL) {
+            val provider = when (member.provider) {
+                MemberProvider.APPLE -> "애플"
+                MemberProvider.GOOGLE -> "구글"
+                else -> "카카오"
+            }
+
+            throw SodaException("해당 이메일은 $provider 계정으로 가입되어 있습니다. 해당 소셜 로그인을 사용해 주세요.")
+        }
+
         if (isCreator && member.role != MemberRole.CREATOR) {
             throw SodaException("로그인 정보를 확인해주세요.")
         }
@@ -380,8 +391,23 @@ class MemberService(
     fun duplicateCheckEmail(email: String): ApiResponse<Any> {
         validateEmail(email)
 
-        if (repository.existsByEmail(email)) {
-            throw SodaException("이미 사용중인 이메일 입니다.", "email")
+        val findMember = repository.findByEmail(email)
+
+        if (findMember != null) {
+            if (findMember.provider == MemberProvider.EMAIL) {
+                throw SodaException("이미 사용중인 이메일 입니다.", "email")
+            } else {
+                val provider = when (findMember.provider) {
+                    MemberProvider.APPLE -> "애플"
+                    MemberProvider.GOOGLE -> "구글"
+                    else -> "카카오"
+                }
+
+                throw SodaException(
+                    "해당 이메일은 $provider 계정으로 이미 가입되어 있습니다. 해당 소셜 로그인을 사용해 주세요.",
+                    "email"
+                )
+            }
         }
 
         return ApiResponse.ok(message = "사용 가능한 이메일 입니다.")
@@ -741,7 +767,14 @@ class MemberService(
 
     @Transactional
     fun findOrRegister(googleUserInfo: GoogleUserInfo, container: String, marketingPid: String?): Member {
-        repository.findByGoogleId(googleUserInfo.sub)?.let { return it }
+        val findMember = repository.findByGoogleId(googleUserInfo.sub)
+        if (findMember != null) {
+            if (findMember.isActive) {
+                return findMember
+            } else {
+                throw SodaException("탈퇴한 계정입니다.\n고객센터로 문의해 주시기 바랍니다.")
+            }
+        }
 
         val stipulationTermsOfService = stipulationRepository.findByIdOrNull(StipulationIds.TERMS_OF_SERVICE_ID)
             ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
@@ -749,10 +782,13 @@ class MemberService(
         val stipulationPrivacyPolicy = stipulationRepository.findByIdOrNull(StipulationIds.PRIVACY_POLICY_ID)
             ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
 
+        val email = googleUserInfo.email
+        checkEmail(email)
+
         val nickname = nicknameGenerateService.generateUniqueNickname()
         val member = Member(
             googleId = googleUserInfo.sub,
-            email = googleUserInfo.email,
+            email = email,
             password = "",
             nickname = nickname,
             profileImage = "profile/default-profile.png",
@@ -774,7 +810,14 @@ class MemberService(
 
     @Transactional
     fun findOrRegister(kakaoUserInfo: KakaoUserInfo, container: String, marketingPid: String?): Member {
-        repository.findByKakaoId(kakaoUserInfo.id)?.let { return it }
+        val findMember = repository.findByKakaoId(kakaoUserInfo.id)
+        if (findMember != null) {
+            if (findMember.isActive) {
+                return findMember
+            } else {
+                throw SodaException("탈퇴한 계정입니다.\n고객센터로 문의해 주시기 바랍니다.")
+            }
+        }
 
         val stipulationTermsOfService = stipulationRepository.findByIdOrNull(StipulationIds.TERMS_OF_SERVICE_ID)
             ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
@@ -782,10 +825,13 @@ class MemberService(
         val stipulationPrivacyPolicy = stipulationRepository.findByIdOrNull(StipulationIds.PRIVACY_POLICY_ID)
             ?: throw SodaException("잘못된 요청입니다\n앱 종료 후 다시 시도해 주세요.")
 
+        val email = kakaoUserInfo.email
+        checkEmail(email)
+
         val nickname = nicknameGenerateService.generateUniqueNickname()
         val member = Member(
             kakaoId = kakaoUserInfo.id,
-            email = kakaoUserInfo.email,
+            email = email,
             password = "",
             nickname = nickname,
             profileImage = "profile/default-profile.png",
@@ -804,4 +850,18 @@ class MemberService(
 
         return member
     }
+
+    private fun checkEmail(email: String) {
+        val member = repository.findByEmail(email)
+
+        if (member != null) {
+            val provider = when (member.provider) {
+                MemberProvider.APPLE -> "애플"
+                MemberProvider.GOOGLE -> "구글"
+                else -> "카카오"
+            }
+
+            throw SodaException("해당 이메일은 $provider 계정으로 가입되어 있습니다. 해당 소셜 로그인을 사용해 주세요.")
+        }
+    }
 }