To sell clothes on Douyin, you need to apply for the following business licenses:

1. Business license for individual business owners: Applicable to small businesses, such as individual entrepreneurs or small-scale enterprises. You can apply for it at the local individual business registration window.

2. Business license for a limited company: Applicable to larger enterprises, or enterprises that need to attract investors. You can apply for it at the limited liability company registration window.

3. E-commerce business license: Applicable to enterprises that conduct e-commerce sales on Douyin. You can register with the E-commerce Association.

When applying for a business license, you need to prepare relevant information, including identity proof, business premises proof, business scope and other information. In addition, you also need to pay attention to whether the registration type, business scope and registered address of the business license comply with the requirements of local laws and regulations.