1. Open the SMS function of Apple's mobile phone, find the photo button in the lower left corner in the SMS interface and click Open.

2. Click to enter the photo setting interface, and click the Draw Shape button in the lower left corner of the interface, as shown in the figure.

3. Next, you will enter the filter interface, select a cartoon in the filter interface, and click the X button on the right after selecting the cartoon.

4. Click to return to the SMS interface. At this time, you need to click the monkey icon button below the message, then find the+button below and click.

5. Then, in this interface, you need to choose the image of the anime head.

6. After choosing the image of the character, go back to the desktop of the mobile phone, turn on the camera, and choose to shoot a video in the camera, so that the image of an anime avatar will appear in the video.