Abstract: In the context of the outbreak of novel coronavirus-caused pneumonia,food safety risks have once again aroused the attention of consumers. This paper analyzes the source of risk in the food circulation,and according to the risk occurring probability and magnitude of risk,establishing the risk analysis matrix to evaluate risk level in the field of food circulation,in order to facilitate subsequent in high,medium and low order to carry out food safety monitoring work,and give specific advice about risk management measures,in order to improve the level of domestic food safety regulation and to ensure the safety of the food consumption.