By analyzing food tracing management in China and other countries,the traceability system of food for export were developed,including food identity management subsystem,dynamic traceability,CIQ port check,inner management and food tracing by internet.The traceability system of food achieved the goal of the food traceable management,as follows:the transferring of food identity with the movement food,dynamic tracing query for food identity information,judging food identity on the spot of port check and in the...