Abstract: This article summarized the development and classifications of plastic food packaging materials in China and analyzed the factors affecting food safety in detail, which included raw materials, processing aids, laws and rules, and the measurement methods and techniques of product quality.Some suggestions were also proposed for the improvement of food safety, including the clarification of government responsibilities, the enhancement of administration, the implementation of relevant standards and the enhancement of quality systems.Moreover, the enterprises should strengthen their selfmanagement, raise the awareness of selfdiscipline and enhance the investment in research and development of green materials.