To put it simply, in a certain east, the mode of opening an online shop to sell a variety of goods on a certain treasure is an ordinary traditional e-commerce, which we also call a kind of e-commerce. The traditional e-commerce model is based on the offline entity model, but it is just to transform offline physical stores into online stores. The second kind of e-commerce, also called information flow e-commerce, mainly uses a platform with large traffic to promote a single product and create demand for groups without shopping needs, and then users directly place orders through the landing page, logistics and distribution, and then cash on delivery.