1. First open the phone to find the app store, and click to enter the app store.

2. Next, search, download and cut. As shown in the figure:

3. Then click to enter the downloaded clipping app. As shown in the figure:

4. After entering, select and click the new project option in the middle. As shown in the figure:

5. Then select and click Open to edit the video and add it to the project. As shown in the figure:

6. Select the Beauty option on the video editing page to open. As shown in the figure:

7. Then find the face-lifting option, slide the face-lifting index, and modify the size of the face in the video. As shown in the figure:

8. Finally, click the "Apply to All" option, and then select the "Finish" option to save the video to your mobile phone. As shown in the figure: