Food quality and safety problem has been the focus of the national economy and people' s livelihood, and food quality and safety traceability system also arises at the historic moment. In this paper, based on Internet investigation and study the present situation of the application of our counuy in food quality and safety traceability system: Firstly, from farmers, enterprises, the supermarket, consumers four main body, collect and analyze the main articles on scholars in recent years. Secondly, from the enterprises and government, lists the ...