If it is a normal live broadcast, it is not necessary, but if you open a small store to sell goods, it is necessary. To open a Douyin store, you need to meet basic conditions. First, you must have a business license. Secondly, the operation must comply with the law and Douyin's rules. Finally, you must pay a certain deposit. This is to protect the rights and interests of the platform and customers, so the deposit must be paid. The deposit for Douyin short videos refers to the deposit paid by merchants to the platform to ensure the implementation of platform rules and platform agreements and to guarantee the quality of goods and services. After the successful settlement, the page will prompt the merchant to pay a deposit. How much security do I need to pay for the goods I sell.