diff --git a/NotToDo/NotToDo/Presentation/AddMissionScene/Views/AddMissionView.swift b/NotToDo/NotToDo/Presentation/AddMissionScene/Views/AddMissionView.swift
index a886085..33e4ebb 100644
--- a/NotToDo/NotToDo/Presentation/AddMissionScene/Views/AddMissionView.swift
+++ b/NotToDo/NotToDo/Presentation/AddMissionScene/Views/AddMissionView.swift
@@ -353,10 +353,5 @@ extension AddMissionView {
             unavailableAddBehaviorButton.isHidden = false
             addBehaviorButton.isHidden = true
         }
-        
-//        if missionText.text!.count > 0 && goalTextField.text!.count > 0 {
-//            addMissionButton.isUserInteractionEnabled = true
-//            addMissionButton.backgroundColor = .nottodoBlack
-//        }
     }
 }
diff --git a/NotToDo/NotToDo/Presentation/AddSituationScene/ViewControllers/AddSituationViewController.swift b/NotToDo/NotToDo/Presentation/AddSituationScene/ViewControllers/AddSituationViewController.swift
index 47d24f9..e0c1074 100644
--- a/NotToDo/NotToDo/Presentation/AddSituationScene/ViewControllers/AddSituationViewController.swift
+++ b/NotToDo/NotToDo/Presentation/AddSituationScene/ViewControllers/AddSituationViewController.swift
@@ -30,7 +30,6 @@ final class AddSituationViewController: UIViewController {
         super.viewDidLoad()
         hideKeyboardWhenTappedAround()
         setAddTarget()
-        requestAddSituationAPI()
     }
     
     override func loadView() {
@@ -38,6 +37,11 @@ final class AddSituationViewController: UIViewController {
         addSituationView = AddSituationView()
         view = addSituationView
     }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        requestAddSituationAPI()
+    }
 }
  
 extension AddSituationViewController {
@@ -46,7 +50,7 @@ extension AddSituationViewController {
         addSituationView.navigationBarView.successButton.addTarget(self, action: #selector(popToAddMissionController), for: .touchUpInside)
     }
     
-    private func requestAddSituationAPI() {
+    func requestAddSituationAPI() {
         AddSituationAPI.shared.getAddSituation { [weak self] response in
             guard self != nil else { return }
             guard let response = response else { return }
@@ -57,8 +61,6 @@ extension AddSituationViewController {
             self?.addSituationView.recommendList = data.recommends
             self?.addSituationView.recentList = data.recents
             self?.addSituationView.addSituationCollectionView.reloadData()
-    
-            dump(response)
         }
     }
     
diff --git a/NotToDo/NotToDo/Presentation/MissionHistoryScene/ViewControllers/MissionHistoryViewController.swift b/NotToDo/NotToDo/Presentation/MissionHistoryScene/ViewControllers/MissionHistoryViewController.swift
index 95b7876..59d7d30 100644
--- a/NotToDo/NotToDo/Presentation/MissionHistoryScene/ViewControllers/MissionHistoryViewController.swift
+++ b/NotToDo/NotToDo/Presentation/MissionHistoryScene/ViewControllers/MissionHistoryViewController.swift
@@ -14,6 +14,8 @@ final class MissionHistoryViewController: UIViewController {
     var missionHistoryResponse: MissionHistoryResponse?
     var historyList: [MissionHistoryModel] = []
     weak var delegate: MissionHistoryViewDelegate?
+    let historyInset: UIEdgeInsets = UIEdgeInsets(top: 15.adjusted, left: 20.adjusted, bottom: 15.adjusted, right: 20.adjusted)
+    let cellHeight: CGFloat = 49.adjusted
     
     // MARK: - UI Components
     
@@ -26,6 +28,7 @@ final class MissionHistoryViewController: UIViewController {
         hideKeyboardWhenTappedAround()
         setAddTarget()
         requestMissionHistoryAPI()
+        setDelegate()
     }
     
     override func loadView() {
@@ -36,6 +39,11 @@ final class MissionHistoryViewController: UIViewController {
 }
 
 extension MissionHistoryViewController {
+    private func setDelegate() {
+        missionHistoryView.missionHistoryCollectionView.delegate = self
+        missionHistoryView.missionHistoryCollectionView.dataSource = self
+    }
+    
     private func setAddTarget() {
         missionHistoryView.backButton.addTarget(self, action: #selector(popToAddMissionViewController), for: .touchUpInside)
     }
@@ -55,7 +63,48 @@ extension MissionHistoryViewController {
     }
 
     @objc private func popToAddMissionViewController() {
+        sendData()
+    }
+    
+    private func sendData() {
         delegate?.sendMissionHistoryData(data: missionHistoryView.inputTextField.text ?? "")
         self.navigationController?.popViewController(animated: true)
     }
 }
+
+extension MissionHistoryViewController: UICollectionViewDelegateFlowLayout {
+    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout,
+                        sizeForItemAt indexPath: IndexPath) -> CGSize {
+        return CGSize(width: Numbers.width, height: cellHeight)
+    }
+    
+    func collectionView(_collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout,
+                        insetForSectionAt section: Int) -> UIEdgeInsets {
+        return historyInset
+    }
+}
+
+extension MissionHistoryViewController: UICollectionViewDelegate {
+    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
+        missionHistoryView.changedText = historyList[indexPath.row].title
+        missionHistoryView.inputTextField.text = historyList[indexPath.row].title
+        sendData()
+        self.navigationController?.popViewController(animated: true)
+    }
+}
+
+extension MissionHistoryViewController: UICollectionViewDataSource {
+    
+    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
+        return historyList.count
+    }
+    
+    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
+        guard let cell = collectionView.dequeueReusableCell(
+            withReuseIdentifier: MissionHistoryCollectionViewCell.identifier, for: indexPath)
+                as? MissionHistoryCollectionViewCell else { return UICollectionViewCell() }
+        cell.configure(model: historyList[indexPath.row])
+        cell.setBorder(indexPath)
+        return cell
+    }
+}
diff --git a/NotToDo/NotToDo/Presentation/MissionHistoryScene/Views/MissionHistoryView.swift b/NotToDo/NotToDo/Presentation/MissionHistoryScene/Views/MissionHistoryView.swift
index 242c199..5bb5701 100644
--- a/NotToDo/NotToDo/Presentation/MissionHistoryScene/Views/MissionHistoryView.swift
+++ b/NotToDo/NotToDo/Presentation/MissionHistoryScene/Views/MissionHistoryView.swift
@@ -21,6 +21,8 @@ class MissionHistoryView: UIView {
     var missionHistoryResponse: MissionHistoryResponse?
     var historyList: [MissionHistoryModel] = []
     weak var delegate: MissionHistoryViewDelegate?
+    let historyInset: UIEdgeInsets = UIEdgeInsets(top: 15.adjusted, left: 20.adjusted, bottom: 15.adjusted, right: 20.adjusted)
+    let cellHeight: CGFloat = 49.adjusted
     
     // MARK: - UI Components
     
@@ -30,9 +32,6 @@ class MissionHistoryView: UIView {
     private var missionHistoryLabel = UILabel()
     
     lazy var missionHistoryCollectionView = UICollectionView(frame: .zero, collectionViewLayout: layout())
-    let historyInset: UIEdgeInsets = UIEdgeInsets(top: 15.adjusted, left: 20.adjusted, bottom: 15.adjusted, right: 20.adjusted)
-    let cellHeight: CGFloat = 49.adjusted
-    let width: CGFloat = UIScreen.main.bounds.width
 
     var changedText: String?
     
@@ -89,8 +88,6 @@ extension MissionHistoryView {
         missionHistoryCollectionView.do {
             $0.isScrollEnabled = true
             $0.collectionViewLayout = layout()
-            $0.delegate = self
-            $0.dataSource = self
         }
     }
     
@@ -152,7 +149,7 @@ extension MissionHistoryView {
     
     private func calculateCellHeight() -> CGFloat {
         let count = CGFloat(historyList.count)
-        return count * cellHeight + (count-1) * historyInset.top + historyInset.bottom
+        return count * self.cellHeight + (count-1) * self.historyInset.top + self.historyInset.bottom
     }
     
     private func register() {
@@ -160,38 +157,3 @@ extension MissionHistoryView {
                                               forCellWithReuseIdentifier: MissionHistoryCollectionViewCell.identifier)
     }
 }
-
-extension MissionHistoryView: UICollectionViewDataSource {
-    
-    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
-        return historyList.count
-    }
-    
-    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
-        guard let cell = collectionView.dequeueReusableCell(
-            withReuseIdentifier: MissionHistoryCollectionViewCell.identifier, for: indexPath)
-                as? MissionHistoryCollectionViewCell else { return UICollectionViewCell() }
-        cell.configure(model: historyList[indexPath.row])
-        cell.setBorder(indexPath)
-        return cell
-    }
-}
-
-extension MissionHistoryView: UICollectionViewDelegateFlowLayout {
-    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout,
-                        sizeForItemAt indexPath: IndexPath) -> CGSize {
-        return CGSize(width: width, height: cellHeight)
-    }
-    
-    func collectionView(_collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout,
-                        insetForSectionAt section: Int) -> UIEdgeInsets {
-        return historyInset
-    }
-}
-
-extension MissionHistoryView: UICollectionViewDelegate {
-    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
-        changedText = historyList[indexPath.row].title
-        inputTextField.text = historyList[indexPath.row].title
-    }
-}