As an important method of plan testing, mechanism building and team training, emergency exercise is an important way to overcome the challenges of food safety accidents such as tight schedule, heavy task and great impact. This research focuses on the field of food safety emergency exercise construction in China, based on the understanding of the National Key Technology R&D Program "integration and application of emergency response technology system for major food safety emergencies" and through the comprehensive analysis of the research progress of food safety emergency exercise at home and abroad. It reflects the existing problems of food safety accident emergency exercise in China, and puts forward some suggestions accordingly. The research will have a certain reference significance for the construction of food safety accident emergency exercise in China.