Product traceability is to combine the current advanced Internet of Things technology, automatic control technology, automatic identification technology and Internet technology, and endow a single product with a unique two-dimensional code as an anti-counterfeiting ID card through professional machinery and equipment, so as to realize "one thing and one code", and then collect data and track all links of product production, warehousing, distribution, logistics and transportation, market inspection, sales terminal and so on, thus forming the whole life cycle management of product production, warehousing, sales, circulation and service.