Yes, the username can be modified in Taobao. When modifying the username, please pay attention to the following points:

1. To modify the username in the Taobao App, enter the "My Taobao" interface, click "Settings"--> "Taobao Username", and enter the interface for modifying the username. To modify the username on the PC, log in to the Taobao account, click "My Taobao"-->"Settings"-->"Personal Information" in the upper right corner, find "Username" on the page, and click "Modify Username" to modify it.

2. The username modification will not take effect immediately, and it will take about 24 hours to take effect.

3. Once the username is changed, the original username will be released, and other members can register with the username, so it is recommended to rebind the mobile phone, email and other account information within 10 days after the change.

4. If the username involves infringement, illegality and other issues, Taobao has the right to reject the user's application.