According to Baidu's experience, if you want to publish a long copy on Tik Tok, you can follow the following steps:

1. Open the Tik Tok APP and click the "+"button at the bottom to enter the shooting interface.

2. Click the shoot button to start shooting video.

3. In the shooting interface, click the "copy area" at the top.

4. Enter a long copy in the copy area, with a maximum of 500 words.

5. Click the "Finish" button to end the copy input.

6. After shooting, click "Next" to enter the release page.

7. On the publishing page, you can see the contents of the entered long copy. After confirmation, click the "Publish" button to publish the long draft.