food safety inspection method and system based on historical image retrieval

The invention discloses a food safety inspection method and system based on historical image retrieval, and the method comprises the steps: obtaining the production process of food through the scanning of the bar code information on a food packaging bag, carrying out the inspection, and obtaining the production process of the food and each process of the production process according to the properties of the food; acquiring a real-time shot image of the inlet end of the food production line; Judging whether food raw materials exist in the real-time shot image or not according to pre-stored rawmaterial information; if yes, monitoring and shooting the processing process of the raw materials; when completingevery time one process, collecting a shot image of the raw material in the manufacturing process of the process, establishing a corresponding relation between the shot image and the process, and the shot image is stored in a cloud server; Ggenerating bar code information according to food properties, printing