Since the launch of reform and opening up，the living standards of the Chinese people have been improving continuously，which has been fully reflected in the changes in people’s diets. Nowadays，people are no longer satisfied with simply being full; instead，they pursue eating in a safer，more nutritious and healthier way. Food options have become increasingly diverse and are no longer limited to locally grown agricultural products. The development of the logistics industry has made it easy for people to enjoy specialties from all over the country. There is no doubt that the improvement in food quality and dietary structure has provided strong guarantees for enhancing people’s health.