This article describes how e-commerce in China has developed in different periods of time, respectively, the stable development before the epidemic, like the three five-year plans, in China, the five-year plan, known as the Outline of the Five-Year Plan for National Economic and Social Development of the Peoples Republic of China, is an important part of Chinas national economic programme and is a long-term plan. It is a long-term plan, mainly for planning major national construction projects, the distribution of productive forces and important proportional relationships in the national economy, and for setting goals and directions for economic development. and the emergence of new retail, the time of the epidemic, although faced with the epidemic affecting the economic difficulties, but e-commerce also has its own unique advantages. The opportunities for e-commerce development in the post epidemic era and the future direction of development. E-commerce is an important part of the future market economy, and with Chinas well-developed transportation industry, online retailing will become one of the most important ways to consume.