diff --git a/src/main/kotlin/com/dotori/v2/domain/member/exception/NotAcceptImgExtensionException.kt b/src/main/kotlin/com/dotori/v2/domain/member/exception/NotAcceptImgExtensionException.kt
new file mode 100644
index 00000000..eed85447
--- /dev/null
+++ b/src/main/kotlin/com/dotori/v2/domain/member/exception/NotAcceptImgExtensionException.kt
@@ -0,0 +1,6 @@
+package com.dotori.v2.domain.member.exception
+
+import com.dotori.v2.global.error.ErrorCode
+import com.dotori.v2.global.error.exception.BasicException
+
+class NotAcceptImgExtensionException : BasicException(ErrorCode.MEMBER_PROFILE_IMG_NOT_ACCEPT_EXTENSION)
\ No newline at end of file
diff --git a/src/main/kotlin/com/dotori/v2/domain/member/service/ProfileImageService.kt b/src/main/kotlin/com/dotori/v2/domain/member/service/ProfileImageService.kt
new file mode 100644
index 00000000..8dcd0036
--- /dev/null
+++ b/src/main/kotlin/com/dotori/v2/domain/member/service/ProfileImageService.kt
@@ -0,0 +1,36 @@
+package com.dotori.v2.domain.member.service
+
+import com.dotori.v2.domain.member.domain.entity.Member
+import com.dotori.v2.domain.member.exception.NotAcceptImgExtensionException
+import com.dotori.v2.global.config.redis.service.RedisCacheService
+import com.dotori.v2.global.thirdparty.aws.s3.S3Service
+import org.springframework.stereotype.Service
+import org.springframework.web.multipart.MultipartFile
+
+@Service
+class ProfileImageService (
+    private val s3Service: S3Service,
+    private val redisCacheService: RedisCacheService
+) {
+    fun imageUpload(member: Member, multipartFiles: MultipartFile?, isUpdate: Boolean = false) {
+
+        validateExtension(multipartFiles)
+
+        val uploadFileUrl: String? = s3Service.uploadSingleFile(multipartFiles)
+
+        if (isUpdate) s3Service.deleteFile(member.profileImage!!)
+
+        member.updateProfileImage(uploadFileUrl)
+
+        redisCacheService.updateCacheFromProfile(member.id, uploadFileUrl)
+    }
+
+    private fun validateExtension(multipartFiles: MultipartFile?) {
+        val acceptList = listOf("jpg", "jpeg", "png")
+        val splitFile = multipartFiles?.originalFilename.toString().split(".")
+        val extension = splitFile.last().lowercase()
+
+        if (acceptList.none { it == extension })
+            throw NotAcceptImgExtensionException()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UpdateProfileImageServiceImpl.kt b/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UpdateProfileImageServiceImpl.kt
index d7915162..b5b262b5 100644
--- a/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UpdateProfileImageServiceImpl.kt
+++ b/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UpdateProfileImageServiceImpl.kt
@@ -1,8 +1,8 @@
 package com.dotori.v2.domain.member.service.impl
 
+import com.dotori.v2.domain.member.domain.entity.Member
+import com.dotori.v2.domain.member.service.ProfileImageService
 import com.dotori.v2.domain.member.service.UpdateProfileImageService
-import com.dotori.v2.global.config.redis.service.RedisCacheService
-import com.dotori.v2.global.thirdparty.aws.s3.S3Service
 import com.dotori.v2.global.util.UserUtil
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -12,15 +12,10 @@ import org.springframework.web.multipart.MultipartFile
 @Transactional(rollbackFor = [Exception::class])
 class UpdateProfileImageServiceImpl(
     private val userUtil: UserUtil,
-    private val s3Service: S3Service,
-    private val redisCacheService: RedisCacheService
+    private val profileImageService: ProfileImageService
 ): UpdateProfileImageService {
     override fun execute(multipartFiles: MultipartFile?) {
-        val member = userUtil.fetchCurrentUser()
-        var uploadFile: String? = s3Service.uploadSingleFile(multipartFiles)
-        s3Service.deleteFile(member.profileImage!!)
-        member.updateProfileImage(uploadFile)
-
-        redisCacheService.updateCacheFromProfile(member.id, uploadFile)
+        val member: Member = userUtil.fetchCurrentUser()
+        profileImageService.imageUpload(member = member, multipartFiles = multipartFiles, isUpdate = true)
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UploadProfileImageServiceImpl.kt b/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UploadProfileImageServiceImpl.kt
index 23e3d475..23e57aa5 100644
--- a/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UploadProfileImageServiceImpl.kt
+++ b/src/main/kotlin/com/dotori/v2/domain/member/service/impl/UploadProfileImageServiceImpl.kt
@@ -1,9 +1,8 @@
 package com.dotori.v2.domain.member.service.impl
 
 import com.dotori.v2.domain.member.domain.entity.Member
+import com.dotori.v2.domain.member.service.ProfileImageService
 import com.dotori.v2.domain.member.service.UploadProfileImageService
-import com.dotori.v2.global.config.redis.service.RedisCacheService
-import com.dotori.v2.global.thirdparty.aws.s3.S3Service
 import com.dotori.v2.global.util.UserUtil
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -13,14 +12,10 @@ import org.springframework.web.multipart.MultipartFile
 @Transactional(rollbackFor = [Exception::class])
 class UploadProfileImageServiceImpl(
     private val userUtil: UserUtil,
-    private val s3Service: S3Service,
-    private val redisCacheService: RedisCacheService
+    private val profileImageService: ProfileImageService
 ): UploadProfileImageService {
     override fun execute(multipartFiles: MultipartFile?) {
         val member: Member = userUtil.fetchCurrentUser()
-        var uploadFile: String? = s3Service.uploadSingleFile(multipartFiles)
-        member.updateProfileImage(uploadFile)
-
-        redisCacheService.updateCacheFromProfile(member.id, uploadFile)
+        profileImageService.imageUpload(member = member, multipartFiles = multipartFiles)
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/dotori/v2/global/error/ErrorCode.kt b/src/main/kotlin/com/dotori/v2/global/error/ErrorCode.kt
index 760b57d6..ee58d3b0 100644
--- a/src/main/kotlin/com/dotori/v2/global/error/ErrorCode.kt
+++ b/src/main/kotlin/com/dotori/v2/global/error/ErrorCode.kt
@@ -42,6 +42,7 @@ enum class ErrorCode(
     MEMBER_EMAIL_HAS_NOT_AUTH_KEY(HttpStatus.NOT_FOUND.value(), "인증번호가 존재 하지 않습니다"),
     MEMBER_EMAIL_HAS_NOT_BEEN_CERTIFICATE(HttpStatus.ACCEPTED.value(), "이메일 인증이 되지않았습니다."),
     MEMBER_NOT_SAME(HttpStatus.UNAUTHORIZED.value(), "유저가 일치하지 않습니다."),
+    MEMBER_PROFILE_IMG_NOT_ACCEPT_EXTENSION(HttpStatus.BAD_REQUEST.value(), "지원하지 않는 프로필 사진 확장자 입니다."),
 
 
     // *** SELF STUDY ***