yesterday, at a farm market in the Ji'nan calendar, the citizens are looking for "the birthplace of the goods purchased through the meat traceability electronic flat table." "." At present, every meat and vegetable commodity sold in the market has established a system of circulation traceability management. The public can find out the circulation information of the goods according to the number of the shopping stall to ensure the safety of the food. It is understood that the development of the traceability system of meat and vegetable circulation in our city has been first developed, forming a complete information chain of the whole process of meat and vegetable circulation, and the tracing function has been realized preliminarily.