diff --git a/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift b/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift
index 2ffc377..fa59594 100644
--- a/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift
+++ b/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift
@@ -212,7 +212,12 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
             }
         }
     }
-    @Published var heartNicknameList = [String]()
+    @Published var heartNicknameList = [(nickname: String, duration: TimeInterval)]()
+    
+    // HEART_DONATION/BIG_HEART_DONATION 메시지 표시 시간 제어
+    private let heartDonationDisplayDuration: TimeInterval = 1.5
+    private let bigHeartDonationDisplayDuration: TimeInterval = 3.0
+    private var currentHeartMessageDuration: TimeInterval = 1.5
     
     private var menuId = 0
     @Published var menu = ""
@@ -956,7 +961,7 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
             .store(in: &subscription)
     }
     
-    func shareRoom() {        
+    func shareRoom() {
         if let liveRoomInfo = self.liveRoomInfo {
             let params = [
                 "af_dp": "voiceon://",
@@ -1969,10 +1974,10 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
                                 agora.sendRawMessageToGroup(rawMessage: donationRawMessage) { [unowned self] _, error in
                                     if error == nil {
                                         let (nickname, _) = self.getUserNicknameAndProfileUrl(accountId: UserDefaults.int(forKey: .userId))
-                                        self.addHeartMessage(nickname: nickname)
+                                        self.addHeartMessage(nickname: nickname, type: messageType)
                                         
                                         totalHeartCount += heartCount
-
+                                        
                                         if messageType == .BIG_HEART_DONATION {
                                             // 로컬 발신: 수신 알림 직후 즉시 폭발 연출만 보이고,
                                             // 물 채움(1초)은 발신 측에서는 생략
@@ -2054,18 +2059,22 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
         }
     }
     
-    private func addHeartMessage(nickname: String) {
+    private func addHeartMessage(nickname: String, type: LiveRoomChatRawMessage.LiveRoomChatRawMessageType = .HEART_DONATION) {
+        let duration: TimeInterval = (type == .BIG_HEART_DONATION) ? bigHeartDonationDisplayDuration : heartDonationDisplayDuration
         if heartNickname != nil {
-            self.heartNicknameList.append(nickname)
+            self.heartNicknameList.append((nickname: nickname, duration: duration))
         } else {
+            self.currentHeartMessageDuration = duration
             self.heartNickname = nickname
         }
     }
     
     private func showNextHeartMessage() {
-        DispatchQueue.main.asyncAfter(deadline: .now() + 1.5) {
-            if let nextHeartNickname = self.heartNicknameList.first {
-                self.heartNickname = nextHeartNickname
+        let delay = currentHeartMessageDuration
+        DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
+            if let next = self.heartNicknameList.first {
+                self.currentHeartMessageDuration = next.duration
+                self.heartNickname = next.nickname
                 self.heartNicknameList.removeFirst()
             } else {
                 self.heartNickname = nil
@@ -2091,7 +2100,7 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
         heartTimer?.cancel()
         heartTimer = nil
     }
-
+    
     private func addBigHeartAnimation() {
         // 로컬 발신 직후 1회는 원격 물 채움 연출을 생략하고 바로 폭발만 실행
         if suppressNextRemoteWaterFill {
@@ -2516,11 +2525,11 @@ extension LiveRoomViewModel: AgoraRtmClientDelegate {
                     } else if decoded.type == .EDIT_ROOM_INFO || decoded.type == .SET_MANAGER {
                         self.getRoomInfo()
                     } else if decoded.type == .HEART_DONATION {
-                        self.addHeartMessage(nickname: nickname)
+                        self.addHeartMessage(nickname: nickname, type: .HEART_DONATION)
                         self.totalHeartCount += decoded.can
                         self.addHeart()
                     } else if decoded.type == .BIG_HEART_DONATION {
-                        self.addHeartMessage(nickname: nickname)
+                        self.addHeartMessage(nickname: nickname, type: .BIG_HEART_DONATION)
                         self.totalHeartCount += decoded.can
                         self.addBigHeartAnimation()
                     }