diff --git a/previewer/BUILD.gn b/previewer/BUILD.gn
index ef2e21fedb91f1585090266f1e7627196253e18a..665fe852370b051c6f50ad70ddcf540ff0c94f70 100644
--- a/previewer/BUILD.gn
+++ b/previewer/BUILD.gn
@@ -41,6 +41,7 @@ ohos_shared_library("previewer_window") {
     "src/window.cpp",
     "src/window_impl.cpp",
     "src/window_scene.cpp",
+    "src/window_model.cpp"
   ]
 
   include_dirs = [
diff --git a/previewer/include/window_model.h b/previewer/include/window_model.h
new file mode 100644
index 0000000000000000000000000000000000000000..ce2adc91a67ec08ad45d7244bdc42147de23efe4
--- /dev/null
+++ b/previewer/include/window_model.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INTERFACES_INNERKITS_WINDOW_MODEL_H
+#define INTERFACES_INNERKITS_WINDOW_MODEL_H
+
+#include "window_impl.h"
+
+namespace OHOS {
+namespace Previewer {
+enum class Orientation : int32_t {
+    PORTRAIT,
+    LANDSCAPE,
+    ORIENTATION_UNDEFINED,
+};
+
+enum class DeviceType {
+    PHONE,
+    TV,
+    WATCH,
+    CAR,
+    TABLET,
+    UNKNOWN,
+};
+
+enum class ColorMode : int32_t {
+    LIGHT = 0,
+    DARK,
+    COLOR_MODE_UNDEFINED,
+};
+
+struct PreviewerWindowModel {
+    bool isRound = false; // shape rect(false) circle(true)
+    int32_t originWidth = 0; // or width
+    int32_t originHeight = 0; // or height
+    int32_t compressWidth = 0; // cr width
+    int32_t compressHeight = 0; // cr height
+    Orientation orientation = Orientation::PORTRAIT; // orientation
+    double density = 1.0; // dpi with calculate
+    DeviceType deviceType = DeviceType::PHONE; // device type
+    ColorMode colorMode = ColorMode::LIGHT; // color mode
+};
+
+class PreviewerWindow {
+public:
+    PreviewerWindow(const PreviewerWindow&) = delete;
+    PreviewerWindow& operator=(const PreviewerWindow&) = delete;
+    ~PreviewerWindow() = default;
+
+    static PreviewerWindow& GetInstance();
+
+    void SetWindowParams(const PreviewerWindowModel& windowModel);
+    PreviewerWindowModel& GetWindowParams();
+    
+    void SetWindowObject(const Rosen::WindowImpl *window);
+    Rosen::WindowImpl* GetWindowObject();
+
+private:
+    PreviewerWindow();
+    PreviewerWindowModel windowModel;
+    Rosen::WindowImpl *window;
+};
+} // namespace Previewer
+} // namespace OHOS
+#endif // INTERFACES_INNERKITS_WINDOW_MODEL_H
diff --git a/previewer/src/window_model.cpp b/previewer/src/window_model.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b6244a2ea9997758ff505f8b7e614645f674fdc9
--- /dev/null
+++ b/previewer/src/window_model.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "window_model.h"
+
+namespace OHOS {
+namespace Previewer {
+
+PreviewerWindow::PreviewerWindow()
+{
+}
+
+PreviewerWindow& PreviewerWindow::GetInstance()
+{
+    static PreviewerWindow instance;
+    return instance;
+}
+
+void PreviewerWindow::SetWindowParams(const PreviewerWindowModel& windowModel)
+{
+  this->windowModel = windowModel;
+}
+
+PreviewerWindowModel& PreviewerWindow::GetWindowParams()
+{
+  return this->windowModel;
+}
+    
+void PreviewerWindow::SetWindowObject(const Rosen::WindowImpl *window)
+{
+  this->window = const_cast<Rosen::WindowImpl*>(window);
+}
+
+Rosen::WindowImpl* PreviewerWindow::GetWindowObject()
+{
+  return this->window;
+}
+
+} // namespace Previewer
+} // namespace OHOS
\ No newline at end of file