Use of computer systems generated a series of corresponding laws of the barcode, and then print the bar code label above (Figure 11). Customers, will be posted on product labels, in the production, storage, a library, and sent to the sales and marketing processes related to the production of information products in every one; circulation in the market process, the adoption of digital consumer Identification of the authenticity of products, systems based on information for consumers, dealers and product information than the right, will be right, judging results of feedback to businesses, for enterprises to provide detailed data analysis of the data reports. Enterprises can also be requested through the regular dealer sales data returned in person or sampling, including sampling than the right, judge. Finally, determine whether there has been a dealer Cuanhuo between acts.

　　　　　　　　　　　Figure 11
When a product quality complaints, adoption of digital products on the loading or bar code can be quickly learned that the production and flow of information to help enterprises of the cause of the accident product quality, improve production technology, improve production management system at the same time, Enterprises can also use tags to understand the production of the relevant circumstances, in order to better safeguard the interests of consumers and business interests。