1. First log in to the "My Alibaba" backend, click "Apps" at the top, and then you can enter the page of all applications. There are applications we often use and applications that have not been added.

2. Continue to scroll down, find the "Sub-account Management" application, and click it.

3. Enter the sub-account interface, and we can set it up according to the specific situation of our company. (Generally, the online sales of a company should be a team, with promotion department, customer service department, after-sales department, etc., so it should be set up according to the specific situation)