The sales promotion and drainage of fast moving consumer goods and the construction of membership system have always been a difficult problem for enterprises-who, when, where, and with what frequency? What products do consumers buy? As the entrance to the mobile Internet, QR core achieves fast access to the line, offline two-way connection and the product is the sales and the shelf. Consumers scan QR code to inquire product information, participate in red envelopes, points, lottery draw and other brand marketing activities. Brand owners can accurately obtain consumer information and avoid the disadvantage that traditional promotion in kind is easy to be intercepted by intermediate channels. At the same time, based on the analysis of consumer behavior, it can help enterprises to improve the personalized interaction with consumers, and effectively enhance the loyalty and reputation of consumers to the brand.