In props.

1. Open Douyin APP, click the "+" button below, and in the shooting interface, click the "Props" button in the lower left corner.

2. In the prop interface, find the "Novelty" category, drop down the page, and click on the "AR Dinosaur" prop.

3. After clicking on the "dinosaur" prop, click the "shoot" button to use dinosaur special effects in the video.