1. Log in to your Douyin account, and then by default you are in the recommendation interface. Click the "Me" button at the bottom right of the page.

2. After clicking the "Me" button, you will enter the My Douyin interface, where you can see your basic Douyin information. In the upper right corner, you will see the "..." button, click this button.

3. After clicking, an option box will pop up. Select "Settings" at the bottom.

4. After clicking Settings, you will enter the Douyin settings interface, where you can set some parameters and functions of Douyin. We find "Apply for Official Certification" and click to enter.

5. After entering, you will see the page for applying for official certification. There are two types of official certification, namely personal certification and institutional certification. There are 3 conditions for personal certification: at least 1 video has been published, the number of fans is greater than or equal to 10,000, and the mobile phone number has been bound. Institutional certification requires uploading some institutional certification materials.

6. After applying, the official Douyin review will be conducted. As long as the information is true, the review will be passed quickly. After the review is passed, the official certification will be displayed in the personal data.