The method to create a sub-account on Taobao is as follows:

1. Log in to the main account of the Taobao Seller Center;

2. Enter the "Settings" page and select the "Sub-account Management" option in the drop-down list;

3. On the "Sub-account Management" page, click the "Add Sub-account" button to add it;

4. Fill in the sub-account information, including login name, login password, group and permission level;

5. Click the "Save" button to submit the information, and the new sub-account will be successfully created.