1. First, merchants need to register their accounts on the Tik Tok platform. After completing the registration, merchants also need to carry out identity authentication to ensure that their business qualifications are legal and effective.

2. After the merchant completes the registration and certification, it is necessary to create a store. In a store, a merchant can set basic information such as store name, store logo and store introduction, and upload pictures and descriptions of goods.

3. The merchant needs to publish the information of the goods to be sold in the store. Each commodity includes commodity name, price, inventory, freight information, etc. Merchants can set the sales period and sales quantity limit according to their own needs.

4. Merchants can use the advertising resources of Tik Tok platform to promote their products and attract more users to participate in group buying activities. Merchants can choose different promotion methods, such as live delivery and short video release.

5. At the beginning of group buying activities, merchants need to process customers' orders in time. Merchants can view order details, handle order refund, delivery and other operations through the management system of Tik Tok platform.