diff --git a/adapter/ohos/entrance/ace_container.h b/adapter/ohos/entrance/ace_container.h
index 16864dec8c12c3df02902c184b872328503dcedc..6d9c1b1875658c8de7a8abe5619f31bdc3f7e261 100644
--- a/adapter/ohos/entrance/ace_container.h
+++ b/adapter/ohos/entrance/ace_container.h
@@ -776,6 +776,13 @@ public:
         CHECK_NULL_RETURN(uiWindow_, false);
         return uiWindow_->GetFreeMultiWindowModeEnabledState();
     }
+
+    bool IsWaterfallWindow() const override
+    {
+        CHECK_NULL_RETURN(uiWindow_, false);
+        return uiWindow_->IsWaterfallModeEnabled();
+    }
+
     Rect GetUIExtensionHostWindowRect(int32_t instanceId) override
     {
         CHECK_NULL_RETURN(IsUIExtensionWindow(), Rect());
diff --git a/adapter/ohos/entrance/ui_content_impl.cpp b/adapter/ohos/entrance/ui_content_impl.cpp
index 9f7b2d17a116c9ee2879ebccdbc28b89c9023afb..4591acc6e4f7b9264b49907251c9ee74436742e8 100644
--- a/adapter/ohos/entrance/ui_content_impl.cpp
+++ b/adapter/ohos/entrance/ui_content_impl.cpp
@@ -674,6 +674,30 @@ private:
     int32_t instanceId_ = -1;
 };
 
+class WaterfallModeChangeListener : public OHOS::Rosen::IWaterfallModeChangeListener {
+public:
+    explicit WaterfallModeChangeListener(int32_t instanceId) : instanceId_(instanceId) {}
+    ~WaterfallModeChangeListener() = default;
+
+    void OnWaterfallModeChange(bool enable) override
+    {
+        TAG_LOGI(AceLogTag::ACE_WINDOW, "waterfall mode is changed, waterfallMode: %{public}d", enable);
+        auto container = Platform::AceContainer::GetContainer(instanceId_);
+        CHECK_NULL_VOID(container);
+        auto taskExecutor = container->GetTaskExecutor();
+        CHECK_NULL_VOID(taskExecutor);
+        ContainerScope scope(instanceId_);
+        taskExecutor->PostTask(
+            [instanceId = instanceId_, enable] {
+                SubwindowManager::GetInstance()->OnWaterfallModeChanged(instanceId, enable);
+            },
+            TaskExecutor::TaskType::UI, "ArkUIWaterfallModeChanged");
+    }
+
+private:
+    int32_t instanceId_ = -1;
+};
+
 class FoldScreenListener : public OHOS::Rosen::DisplayManager::IFoldStatusListener {
 public:
     explicit FoldScreenListener(int32_t instanceId) : instanceId_(instanceId) {}
@@ -2067,6 +2091,8 @@ UIContentErrorCode UIContentImpl::CommonInitialize(
     window_->RegisterDragListener(dragWindowListener_);
     occupiedAreaChangeListener_ = new OccupiedAreaChangeListener(instanceId_);
     window_->RegisterOccupiedAreaChangeListener(occupiedAreaChangeListener_);
+    waterfallModeChangeListener_ = new WaterfallModeChangeListener(instanceId_);
+    window_->RegisterWaterfallModeChangeListener(waterfallModeChangeListener_);
     foldStatusListener_ = new FoldScreenListener(instanceId_);
     OHOS::Rosen::DisplayManager::GetInstance().RegisterFoldStatusListener(foldStatusListener_);
     foldDisplayModeListener_ = new FoldDisplayModeListener(instanceId_);
@@ -2427,6 +2453,10 @@ void UIContentImpl::Destroy()
     ContainerScope::RemoveAndCheck(instanceId_);
     UnregisterDisplayManagerCallback();
     SubwindowManager::GetInstance()->OnDestroyContainer(instanceId_);
+
+    if (window_) {
+        window_->UnregisterWaterfallModeChangeListener(waterfallModeChangeListener_);
+    }
 }
 
 void UIContentImpl::UnregisterDisplayManagerCallback()
@@ -3461,6 +3491,8 @@ void UIContentImpl::InitializeSubWindow(OHOS::Rosen::Window* window, bool isDial
     occupiedAreaChangeListener_ = new OccupiedAreaChangeListener(instanceId_);
     window_->RegisterOccupiedAreaChangeListener(occupiedAreaChangeListener_);
     foldStatusListener_ = new FoldScreenListener(instanceId_);
+    waterfallModeChangeListener_ = new WaterfallModeChangeListener(instanceId_);
+    window_->RegisterWaterfallModeChangeListener(waterfallModeChangeListener_);
     OHOS::Rosen::DisplayManager::GetInstance().RegisterFoldStatusListener(foldStatusListener_);
     foldDisplayModeListener_ = new FoldDisplayModeListener(instanceId_, isDialog);
     OHOS::Rosen::DisplayManager::GetInstance().RegisterDisplayModeListener(foldDisplayModeListener_);
diff --git a/adapter/ohos/entrance/ui_content_impl.h b/adapter/ohos/entrance/ui_content_impl.h
index d53f64c62c0e96d8650d86b9956de989035f1ccb..de82b7c6431b035f7a1a94e733ae9f437dfd22f3 100644
--- a/adapter/ohos/entrance/ui_content_impl.h
+++ b/adapter/ohos/entrance/ui_content_impl.h
@@ -442,6 +442,7 @@ private:
     OHOS::sptr<OHOS::Rosen::IWindowDragListener> dragWindowListener_ = nullptr;
     OHOS::sptr<OHOS::Rosen::IOccupiedAreaChangeListener> occupiedAreaChangeListener_ = nullptr;
     OHOS::sptr<OHOS::Rosen::IAvoidAreaChangedListener> avoidAreaChangedListener_ = nullptr;
+    OHOS::sptr<OHOS::Rosen::IWaterfallModeChangeListener> waterfallModeChangeListener_ = nullptr;
     OHOS::sptr<OHOS::Rosen::DisplayManager::IFoldStatusListener> foldStatusListener_ = nullptr;
     OHOS::sptr<OHOS::Rosen::DisplayManager::IDisplayModeListener> foldDisplayModeListener_ = nullptr;
     OHOS::sptr<OHOS::Rosen::DisplayManager::IAvailableAreaListener> availableAreaChangedListener_ = nullptr;
diff --git a/frameworks/base/subwindow/subwindow_manager.h b/frameworks/base/subwindow/subwindow_manager.h
index 321ab60f524024358dab73575460c5ea65e1c701..fa0ae388c0d7fdd5fd3d466e47887ebbdd407934 100644
--- a/frameworks/base/subwindow/subwindow_manager.h
+++ b/frameworks/base/subwindow/subwindow_manager.h
@@ -189,6 +189,7 @@ public:
 
     void OnUIExtensionWindowSizeChange(int32_t instanceId, Rect windowRect, WindowSizeChangeReason reason);
     void OnHostWindowSizeChanged(int32_t containerId, Rect windowRect, WindowSizeChangeReason reason);
+    void OnWaterfallModeChanged(int32_t instanceId, bool enabled) {}
     void HideSheetSubWindow(int32_t containerId);
     void ShowBindSheetNG(bool isShow, std::function<void(const std::string&)>&& callback,
         std::function<RefPtr<NG::UINode>()>&& buildNodeFunc, std::function<RefPtr<NG::UINode>()>&& buildtitleNodeFunc,
diff --git a/frameworks/core/common/container.h b/frameworks/core/common/container.h
index b7399d9260ec57b3afdfd894fa3298c91974a18c..a7d8af69b58c9f0fd9e463ab8ddca2bdbf7b90fc 100755
--- a/frameworks/core/common/container.h
+++ b/frameworks/core/common/container.h
@@ -686,6 +686,11 @@ public:
         return false;
     }
 
+    virtual bool IsWaterfallWindow() const
+    {
+        return false;
+    }
+
     virtual Rect GetUIExtensionHostWindowRect(int32_t instanceId)
     {
         return Rect();
diff --git a/frameworks/core/components_ng/pattern/dialog/dialog_layout_algorithm.cpp b/frameworks/core/components_ng/pattern/dialog/dialog_layout_algorithm.cpp
index bb1f78abc48fc2c84961bdb2fb809541977a4754..d409d4b08f11959ca4a3a6cae0ebf1a3cf5f7b17 100644
--- a/frameworks/core/components_ng/pattern/dialog/dialog_layout_algorithm.cpp
+++ b/frameworks/core/components_ng/pattern/dialog/dialog_layout_algorithm.cpp
@@ -73,6 +73,13 @@ void DialogLayoutAlgorithm::Measure(LayoutWrapper* layoutWrapper)
     auto keyboardInsert = safeAreaManager->GetKeyboardInset();
     isKeyBoardShow_ = keyboardInsert.IsValid();
     isHoverMode_ = enableHoverMode ? pipeline->IsHalfFoldHoverStatus() : false;
+    if (dialogPattern->IsWaterfallWindowMode()) {
+        TAG_LOGI(AceLogTag::ACE_DIALOG, "enableHoverMode for waterfallMode, isShowInSubWindow: %{public}d",
+            isShowInSubWindow_);
+        isHoverMode_ = true;
+        hoverModeArea_ = HoverModeAreaType::TOP_SCREEN;
+    }
+
     auto windowManager = pipeline->GetWindowManager();
     CHECK_NULL_VOID(windowManager);
     dialogPattern->UpdateFontScale();
diff --git a/frameworks/core/components_ng/pattern/dialog/dialog_pattern.cpp b/frameworks/core/components_ng/pattern/dialog/dialog_pattern.cpp
index 45232a183b53984f83b124d770dae595f82b3765..f2c1d271f6c269a23c5163d24093f0eebbeb70de 100644
--- a/frameworks/core/components_ng/pattern/dialog/dialog_pattern.cpp
+++ b/frameworks/core/components_ng/pattern/dialog/dialog_pattern.cpp
@@ -2005,6 +2005,37 @@ bool DialogPattern::IsShowInFreeMultiWindow()
     return container->IsFreeMultiWindow();
 }
 
+bool DialogPattern::IsWaterfallWindowMode()
+{
+    if (!SystemProperties::IsSuperFoldDisplayDevice()) {
+        return false;
+    }
+
+    auto host = GetHost();
+    CHECK_NULL_RETURN(host, false);
+    auto pipeline = host->GetContextRefPtr();
+    CHECK_NULL_RETURN(pipeline, false);
+
+    auto currentId = pipeline->GetInstanceId();
+    auto container = AceEngine::Get().GetContainer(currentId);
+    if (!container) {
+        TAG_LOGW(AceLogTag::ACE_DIALOG, "container is null");
+        return false;
+    }
+    if (container->IsSubContainer()) {
+        currentId = SubwindowManager::GetInstance()->GetParentContainerId(currentId);
+        container = AceEngine::Get().GetContainer(currentId);
+        if (!container) {
+            TAG_LOGW(AceLogTag::ACE_DIALOG, "parent container is null");
+            return false;
+        }
+    }
+
+    auto halfFoldStatus = container->GetCurrentFoldStatus() == FoldStatus::HALF_FOLD;
+    auto isWaterfallWindow = container->IsWaterfallWindow();
+    return halfFoldStatus && isWaterfallWindow;
+}
+
 bool DialogPattern::IsShowInFloatingWindow()
 {
     auto currentId = Container::CurrentId();
diff --git a/frameworks/core/components_ng/pattern/dialog/dialog_pattern.h b/frameworks/core/components_ng/pattern/dialog/dialog_pattern.h
index 594172cd1b0abeab5b736906b90225437ea4f774..ad21f13516b361b4bae921e17eaddc57194078aa 100644
--- a/frameworks/core/components_ng/pattern/dialog/dialog_pattern.h
+++ b/frameworks/core/components_ng/pattern/dialog/dialog_pattern.h
@@ -312,6 +312,7 @@ public:
     }
 
     bool IsShowInFreeMultiWindow();
+    bool IsWaterfallWindowMode();
     bool IsShowInFloatingWindow();
     void AddExtraMaskNode(const DialogProperties& props);