The application of COBIP products in stores means that the COBIP vehicle-mounted display products have been appropriately adjusted in terms of function, performance and size, so that they can be easily and quickly mounted on the glass lintel of the store. The high-brightness outward display plays a role. A store promotion method that is different from traditional store front screen products. The ultra-thin and beautiful appearance of the product can not only attract customers' attention, but also be more coordinated with the store decoration, adding a sense of the times. Its 4G cloud-controlled version of the product can be used by media operators in business districts for media operations. Through the central main screen and the multi-point layout of small screens in the business district aisles, the needs for brand promotion, precise traffic flow to business district stores, and confession display needs for weddings, birthday celebrations, birthday banquets, class reunions, etc. are realized.