With the development of economy，mid-20th century scientific and technological progress results in the development of industry and agriculture. But food industry is also a leap in this period. However，the pell-mell development of the human race leads to environmental degradation，environmental pollution increase and the highlighting food safety issues. The lives of people have been compromised. The most closely problem is the safety of food additives. This paper used the safety of the food additive to put forward some concrete countermeasures and measures.