Taobao C2C platform is a personal store selling to consumers. The product price is low, but the quality and after-sales service are average; Tmall B2C platform is Alibaba's transformation, becoming business-to-individual, adding brands, it is easier to be accepted by consumers, and there are guarantees in all aspects; JD.com is also B2C. Its advantages lie in self-operation and logistics, and it is aimed at the middle and high-end population; Suning.com is somewhat similar to an online supermarket, with a relatively complete range of products, and it also brings together various brands. It has developed rapidly in the past two years. Amazon is still mainly based on books and electrical appliances. After all, it is supported by foreign platforms. The Chinese market is average, but the quality is trustworthy. The most important feature of Gome Online is the electrical appliance mall, which is cost-effective. Yixun now only occupies a small market share in China. Alibaba is a typical B2B platform, which is mainly a wholesale nature for suppliers and a good place to find sources of goods.