diff --git a/DATEROAD-iOS/DATEROAD-iOS/Presentation/AddSchedule/ViewModels/AddScheduleViewModel.swift b/DATEROAD-iOS/DATEROAD-iOS/Presentation/AddSchedule/ViewModels/AddScheduleViewModel.swift
index 7b7d6202..9a6783e6 100644
--- a/DATEROAD-iOS/DATEROAD-iOS/Presentation/AddSchedule/ViewModels/AddScheduleViewModel.swift
+++ b/DATEROAD-iOS/DATEROAD-iOS/Presentation/AddSchedule/ViewModels/AddScheduleViewModel.swift
@@ -25,7 +25,72 @@ final class AddScheduleViewModel: Serviceable {
     
     lazy var addScheduleSecondViewModel: AddScheduleSecondViewModelInterface = AddScheduleSecondViewModel(addScheduleAmplitude: addScheduleAmplitude)
     
-    let addScheduleAmplitude: AddScheduleAmplitude = AddScheduleAmplitude()
+    var pastDatePlaces = [TimelineModel]()
+    
+    var selectedTagData: [String] = []
+    
+    var pastDateTagIndex = [Int]()
+    
+    
+    //MARK: - AddFirstCourse 사용되는 ViewModel
+    
+    // 데이트 이름 유효성 판별 (true는 통과)
+    let dateName: ObservablePattern<String> = ObservablePattern(nil)
+    
+    let isDateNameVaild: ObservablePattern<Bool> = ObservablePattern(nil)
+    
+    private let minimumDateNameLength = 5
+    
+    // 방문 일자 유효성 판별 (true는 통과)
+    let visitDate: ObservablePattern<String> = ObservablePattern(nil)
+    
+    let isVisitDateVaild: ObservablePattern<Bool> = ObservablePattern(nil)
+    
+    // 데이트 시작시간 유효성 판별 (self.count > 0 인지)
+    let dateStartAt: ObservablePattern<String> = ObservablePattern(nil)
+    
+    let isDateStartAtVaild: ObservablePattern<Bool> = ObservablePattern(nil)
+    
+    // 코스 등록 태그 생성
+    var tagData: [ProfileTagModel] = []
+    
+    // 선택된 태그
+    let isOverCount: ObservablePattern<Bool> = ObservablePattern(false)
+    
+    let isValidTag: ObservablePattern<Bool> = ObservablePattern(nil)
+    
+    let tagCount: ObservablePattern<Int> = ObservablePattern(0)
+    
+    private let minTagCnt = 1
+    
+    private let maxTagCnt = 3
+    
+    // 코스 지역 유효성 판별
+    let dateLocation: ObservablePattern<String> = ObservablePattern(nil)
+    
+    let isDateLocationVaild: ObservablePattern<Bool> = ObservablePattern(nil)
+    
+    // 기타
+    var isTimePicker: Bool?
+    
+    var country = ""
+    
+    var city = ""
+    
+    
+    //MARK: - AddSecondView 전용 Viewmodel 변수
+    
+    var addPlaceCollectionViewDataSource: [AddCoursePlaceModel] = []
+    
+    let datePlace: ObservablePattern<String> = ObservablePattern(nil)
+    
+    let timeRequire: ObservablePattern<String> = ObservablePattern(nil)
+    
+    let isValidOfSecondNextBtn: ObservablePattern<Bool> = ObservablePattern(false)
+    
+    let editBtnEnableState: ObservablePattern<Bool> = ObservablePattern(false)
+    
+    var isChange: (() -> Void)?
     
     var isEditMode: Bool = false
     
diff --git a/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/ViewModels/ProfileViewModel.swift b/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/ViewModels/ProfileViewModel.swift
index 872f333c..cd8967dd 100644
--- a/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/ViewModels/ProfileViewModel.swift
+++ b/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/ViewModels/ProfileViewModel.swift
@@ -19,6 +19,12 @@ final class ProfileViewModel: Serviceable {
     
     var isDefaultImage: Bool = false
     
+    private var isUpdateTag: Bool = false
+    
+    private var isUpdateNickName: Bool = false
+    
+    var isUpdateProfileImage: ObservablePattern<Bool> = ObservablePattern(false)
+    
     var profileImage: ObservablePattern<UIImage>
     
     var existingNickname: ObservablePattern<String>
@@ -35,6 +41,8 @@ final class ProfileViewModel: Serviceable {
     
     var isValidTag: ObservablePattern<Bool> = ObservablePattern(false)
     
+    var isNotTagError: ObservablePattern<Bool> = ObservablePattern(true)
+    
     var isValidRegistration: ObservablePattern<Bool> = ObservablePattern(false)
     
     var is5orLess: ObservablePattern<Bool> = ObservablePattern(false)
@@ -52,7 +60,6 @@ final class ProfileViewModel: Serviceable {
     var onFailNetwork: ObservablePattern<Bool> = ObservablePattern(false)
     
     var alertMessage: ObservablePattern<String> = ObservablePattern(nil)
-
     
     
     init(profileData: ProfileModel) {
@@ -74,12 +81,27 @@ extension ProfileViewModel {
         tagData = TendencyTag.allCases.map { $0.tag }
     }
     
+    /// TODO: 기존 프사와 같은 이미지를 골랐음에도 flag 값이 false로 반환됨
+    /// 추후 Image 비교 로직 구현해야함
+    func isProfileImageChange(selectedImage: UIImage) -> Bool {
+        if let profileImage = profileImage.value {
+            let flag = profileImage.isEqual(selectedImage)
+            return !flag
+        } else {
+            return false
+        }
+    }
+    
     // 닉네임 글자 수 확인 => 유효카운트 여부 & 5자초과 여부 업데이트
-    func checkValidNicknameCount() {
+    func checkValidNicknameCount(fromTagButton: Bool? = nil) {
         guard let nickname = self.nickname.value else { return }
         if nickname.count >= 2 && nickname.count <= 5 {
             self.isValidNicknameCount.value = true
             self.is5orLess.value = true
+            if fromTagButton == true {
+                return
+            }
+            self.isUpdateNickName = true
         } else {
             self.is5orLess.value = false
             if nickname.count < 2 {
@@ -104,18 +126,42 @@ extension ProfileViewModel {
     func checkTagCount() {
         let count = selectedTagData.count
         self.tagCount.value = count
+        self.isUpdateTag = !isEqualTagData()
         
-        if count >= 1 && count <= 3 {
-            self.isValidTag.value = true
-        } else {
-            self.isValidTag.value = false
+        let isValidCount = (1...3).contains(count)
+        self.isNotTagError.value = isValidCount
+        self.isValidTag.value = isValidCount && isUpdateTag
+    }
+    
+    // 이전, 현재 tag 데이터 배열 순서 상관없이 비교
+    func isEqualTagData() -> Bool {
+        guard let beforeData = profileData.value?.tags else { return true }
+        let currentDataSet = Set(selectedTagData)
+        let beforeDataSet = Set(beforeData)
+        return currentDataSet == beforeDataSet
+    }
+    
+    // Tag 외(프사, 닉네임) 변경 시 isValidTag.value 컨트롤하기 위해 함수 활용
+    func outOfTagData(isRegistering: Bool? = nil) -> Bool {
+        let count = selectedTagData.count
+        let isValidCount = (1...3).contains(count)
+        if isRegistering == true {
+            return isValidCount
         }
+        isNotTagError.value = isValidCount
+        isValidTag.value = isValidCount
+        return false
     }
     
     func checkValidRegistration() {
         guard let isValidNickname = isValidNickname.value,
-              let isValidTag = isValidTag.value,
-              let is5CntVaild = is5orLess.value else { return }
+              var isValidTag = isValidTag.value,
+              let is5CntVaild = is5orLess.value,
+              let isUpdateProfileImage = isUpdateProfileImage.value else { return }
+        
+        if isUpdateProfileImage || isUpdateNickName {
+            isValidTag = outOfTagData(isRegistering: true)
+        }
         
         self.isValidRegistration.value = (isValidNickname && isValidTag && is5CntVaild)
     }
diff --git a/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/Views/EditProfileViewController.swift b/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/Views/EditProfileViewController.swift
index 308dc949..2a0eee57 100644
--- a/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/Views/EditProfileViewController.swift
+++ b/DATEROAD-iOS/DATEROAD-iOS/Presentation/Profile/Views/EditProfileViewController.swift
@@ -154,10 +154,11 @@ private extension EditProfileViewController {
             }
         }
         
-        self.profileViewModel.profileImage.bind { [weak self] image in
+        self.profileViewModel.isUpdateProfileImage.bind { [weak self] image in
             guard let initial = self?.initial else { return }
             if initial {
                 self?.profileViewModel.checkValidNicknameCount()
+                _ = self?.profileViewModel.outOfTagData()
             }
         }
         
@@ -204,16 +205,24 @@ private extension EditProfileViewController {
             }
         }
         
-        self.profileViewModel.isValidTag.bind { [weak self] isValid in
-            guard let isValid, let initial = self?.initial else { return }
+        self.profileViewModel.isValidTag.bind { [weak self] _ in
+            guard let initial = self?.initial else { return }
             if initial {
-                self?.profileView.updateTagErrLabel(isValid: isValid)
                 self?.profileViewModel.checkValidRegistration()
             }
         }
         
+        self.profileViewModel.isNotTagError.bind { [weak self] isNotError in
+            guard let isNotError, let initial = self?.initial else { return }
+            
+            if initial {
+                self?.profileView.updateTagErrLabel(isValid: isNotError)
+            }
+        }
+        
         self.profileViewModel.nickname.bind { [weak self] nickname in
             guard let nickname else { return }
+            _ = self?.profileViewModel.outOfTagData()
             self?.profileViewModel.isValidNickname.value = false
             self?.profileViewModel.compareExistingNickname()
             self?.profileView.updateNicknameCount(count: nickname.count)
@@ -294,7 +303,7 @@ private extension EditProfileViewController {
                 self.profileViewModel.countSelectedTag(isSelected: sender.isSelected, tag: tag)
             }
         }
-        self.profileViewModel.checkValidNicknameCount()
+        self.profileViewModel.checkValidNicknameCount(fromTagButton: true)
     }
     
     @objc
@@ -308,6 +317,7 @@ private extension EditProfileViewController {
         alertVC.dismissBottomSheet()
         profileView.updateProfileImage(image: UIImage(resource: .emptyProfileImg))
         profileViewModel.profileImage.value = UIImage(resource: .emptyProfileImg)
+        self.profileViewModel.isUpdateProfileImage.value = true
     }
     
     @objc
@@ -419,8 +429,13 @@ extension EditProfileViewController: ImagePickerDelegate {
     
     func didPickImages(_ images: [UIImage]) {
         let selectedImage = images[0]
-        profileView.updateProfileImage(image: selectedImage)
-        self.profileViewModel.profileImage.value = selectedImage
+        let falg = profileViewModel.isProfileImageChange(selectedImage: selectedImage)
+        
+        if falg {
+            profileView.updateProfileImage(image: selectedImage)
+            self.profileViewModel.profileImage.value = selectedImage
+            self.profileViewModel.isUpdateProfileImage.value = true
+        }
     }
     
 }