Tourism food safety is the important foundation for sustainable development of Tourism. Starting from the tourism food industry chain, this article analyzed the relationship between the tourism food industry chain and tourism food safety by studying the characteristics of complexity, biochemical, and hysteresis of tourism food industry chain. Thus, aiming at the existing problems of tourism food industry chain in our country, such as unbalanced development, asymmetric information, profit distribution imbalance, low degree of the scale, this article put forward the corresponding countermeasures and suggestions for risks and problems of food safety in China, such as forming the interests-coordination mechanism of food tourism industry chain, promoting tourism food industry-wide HACCP monitoring system, building internal traceability system of tourism food industry chain, improving illegal cost of production operators in the industrial chain, setting up comprehensive regulatory system for tourism food safety.