Douyin store sales belong to the e-commerce and online retail categories. On the Douyin platform, sellers can display products through videos and sell them directly in the videos, and buyers can place orders and make payments directly in the comment area. This model is called "sales promotion" and is efficient and fast, and is deeply loved by young users. The success of Douyin store sales promotion also proves that the combination of e-commerce and social media is feasible, bringing new ideas and development space to the traditional e-commerce model.