diff --git a/Targets/PresentationLayer/Sources/PostSearch/Coordinator/PostSearchCoordinator.swift b/Targets/PresentationLayer/Sources/PostSearch/Coordinator/PostSearchCoordinator.swift
index 31b450a..dffc689 100644
--- a/Targets/PresentationLayer/Sources/PostSearch/Coordinator/PostSearchCoordinator.swift
+++ b/Targets/PresentationLayer/Sources/PostSearch/Coordinator/PostSearchCoordinator.swift
@@ -12,6 +12,7 @@ import UIKit
 
 public protocol PostSearchCoordinatorType: CoordinatorType {
   func start()
+  func startSelectMode(stream: MutableRecommendedPostStream)
   func pushPostDetail(id: Int)
 }
 
@@ -32,6 +33,11 @@ final class PostSearchCoordinator: PostSearchCoordinatorType {
     let vc = postSearchViewController()
     navigationController.pushViewController(vc, animated: true)
   }
+  
+  func startSelectMode(stream: MutableRecommendedPostStream) { /// 추천공고 선택모드
+    let vc = postSearchViewController(stream: stream)
+    navigationController.pushViewController(vc, animated: true)
+  }
 
   func disappear() {
     if childCoordinators.isEmpty && navigationController.presentedViewController == nil {
@@ -66,4 +72,15 @@ private extension PostSearchCoordinator {
     viewController.coordinator = self
     return viewController
   }
+  
+  func postSearchViewController(stream: MutableRecommendedPostStream) -> PostSearchViewController {
+    guard let searchPostListUseCase = DIContainer.shared.resolve(type: SearchPostListUseCaseType.self) else {
+      fatalError()
+    }
+    let reactor = PostSearchReactor(searchPostListUseCase: searchPostListUseCase,
+                                    mutableRecommendedPostStream: stream)
+    let viewController = PostSearchViewController(reactor: reactor)
+    viewController.coordinator = self
+    return viewController
+  }
 }
diff --git a/Targets/PresentationLayer/Sources/PostSearch/Reactor/PostSearchReactor.swift b/Targets/PresentationLayer/Sources/PostSearch/Reactor/PostSearchReactor.swift
index f406fcd..add530a 100644
--- a/Targets/PresentationLayer/Sources/PostSearch/Reactor/PostSearchReactor.swift
+++ b/Targets/PresentationLayer/Sources/PostSearch/Reactor/PostSearchReactor.swift
@@ -16,13 +16,17 @@ final class PostSearchReactor: Reactor {
 
   // MARK: - Properties
   private let searchPostListUseCase: SearchPostListUseCaseType
+  private let mutableRecommendedPostStream: MutableRecommendedPostStream?
+  
   var initialState: State = .init()
 
   // MARK: - Initializer
   init(
-    searchPostListUseCase: SearchPostListUseCaseType
+    searchPostListUseCase: SearchPostListUseCaseType,
+    mutableRecommendedPostStream: MutableRecommendedPostStream? = nil
   ) {
-      self.searchPostListUseCase = searchPostListUseCase
+    self.searchPostListUseCase = searchPostListUseCase
+    self.mutableRecommendedPostStream = mutableRecommendedPostStream
   }
 
   enum Action {
@@ -32,12 +36,14 @@ final class PostSearchReactor: Reactor {
 
   enum Mutation {
     case setLoading(Bool)
+    case setSelectComplete(Bool)
     case setPosts(data: [PostCellData])
     case setSelectedCell(data: PostCellData?)
   }
 
   struct State {
     var isLoading: Bool = false
+    var isSelectComplete: Bool = false
     var selectedCell: PostCellData?
     
     var posts: [PostCellData] = []
@@ -54,9 +60,10 @@ final class PostSearchReactor: Reactor {
   func reduce(state: State, mutation: Mutation) -> State {
     var newState = state
     switch mutation {
-    case let .setLoading(bool):      newState.isLoading = bool
-    case let .setPosts(data):        newState.posts = data
-    case let .setSelectedCell(data): newState.selectedCell = data
+    case let .setLoading(bool):        newState.isLoading = bool
+    case let .setSelectComplete(bool): newState.isSelectComplete = bool
+    case let .setPosts(data):          newState.posts = data
+    case let .setSelectedCell(data):   newState.selectedCell = data
     }
     return newState
   }
@@ -77,11 +84,17 @@ final class PostSearchReactor: Reactor {
   
   private func tapCell(at indexPath: IndexPath) -> Observable<Mutation> {
     return fetchCellData(at: indexPath)
-      .flatMap { cellData -> Observable<Mutation> in
-        Observable.concat([
-          .just(.setSelectedCell(data: cellData)),
-          .just(.setSelectedCell(data: nil))
-        ])
+      .withUnretained(self)
+      .flatMap { owner, cellData -> Observable<Mutation> in
+        if let mutableRecommendedPostStream = owner.mutableRecommendedPostStream {
+          mutableRecommendedPostStream.updatePostInfo(id: cellData.id, subTitle: cellData.title)
+          return .just(.setSelectComplete(true))
+        } else {
+          return Observable.concat([
+            .just(.setSelectedCell(data: cellData)),
+            .just(.setSelectedCell(data: nil))
+          ])
+        }
       }
   }
   
diff --git a/Targets/PresentationLayer/Sources/PostSearch/View/PostSearchViewController.swift b/Targets/PresentationLayer/Sources/PostSearch/View/PostSearchViewController.swift
index 65409d2..9deea19 100644
--- a/Targets/PresentationLayer/Sources/PostSearch/View/PostSearchViewController.swift
+++ b/Targets/PresentationLayer/Sources/PostSearch/View/PostSearchViewController.swift
@@ -15,7 +15,7 @@ import PinLayout
 import ReactorKit
 import RxCocoa
 
-final class PostSearchViewController: BaseViewController<PostSearchReactor>, Coordinatable {
+final class PostSearchViewController: BaseViewController<PostSearchReactor>, Alertable, Coordinatable {
   
   // MARK: Properties
   weak var coordinator: PostSearchCoordinator?
@@ -115,7 +115,7 @@ private extension PostSearchViewController {
       .disposed(by: disposeBag)
     
     searchBar.searchTextObservable
-      .skip(1)
+      .filter { $0?.isEmpty == false }
       .distinctUntilChanged()
       .compactMap { $0 }
       .debounce(.milliseconds(500), scheduler: ConcurrentDispatchQueueScheduler(qos: .background))
@@ -134,6 +134,17 @@ private extension PostSearchViewController {
       }
       .disposed(by: disposeBag)
     
+    reactor.state
+      .map(\.isSelectComplete)
+      .distinctUntilChanged()
+      .asSignal(onErrorJustReturn: true)
+      .emit(with: self) { owner, isComplete in
+        if isComplete {
+          owner.coordinator?.didFinish()
+        }
+      }
+      .disposed(by: disposeBag)
+    
     reactor.state
       .map { $0.posts }
       .distinctUntilChanged()