The invention discloses a food traceability system. The food traceability system comprises a food label, a scanning terminal, an information processor, a raw material information management platform, a food production processing information management platform, a stored information management platform, a transportation information management platform, a sales information management platform and a traceability platform. The food traceability system records the key point information of all links from raw material cultivation to processing, packaging, storage, transportation and sales of food, even to the responsible people, and therefore, the whole process management from field to dining-table is truly realized, and in case of a food safety problem, the source of the problem can be found out according to the information chain as soon as possible. Besides, the food traceability system is helpful for an enterprise to promote the production management level, and provides basis for consumers to buy.