With the improvement of living standard and the change of consumption concept, people have higher and higher requirements for diet. People in the workplace who often shop online are paying more and more attention to healthier and faster pollution-free food. Pollution-free foods need to be tested by relevant departments before they are allowed to be labeled accordingly. Pollution-free food mainly comes from major pollution-free demonstration bases in China. All natural pollution-free agricultural products have been strictly selected and the process can be traced back. At the same time, it has a perfect logistics distribution system, and all products adopt cold chain preservation in the whole process of distribution.