The Bio (or Biography) is one of the most important parts of your TikTok profile. It provides a quick description of your profile and allows people to immediately understand what your account is about.
On TikTok the Bio is located below the profile picture, and statistics, as shown in the screenshot below:
To create or edit the biography of your own TikTok account, follow these steps:
Step 1 - Access your Profile
Access your profile by clicking on the Me icon in the bottom-right corner of the TikTok App, as shown below:
Step 2 - Edit your Profile
Now that you're on your Profile page, click on the Edit Profile button, as shown below:
Step 3 - Locate and Tap on the Bio
On the Edit Profile page, look down to locate the Bio and tap on it to edit it. It should be the 4th line, as shown below:
Step 4 (last) - Edit and Save
That's it, simply edit the text and tap on Save at the top-right corner as shown below: