In the retail scene, Xunbao obtains shelf data through scanning, combines positioning and navigation to realize unmanned inventory, and SKU reading of goods can be linked with Xiubao. Xiubao's mobile large screen attribute can realize publicity and shopping guide, content recommendation, online ordering, etc. The combination of the two can realize business closed loop of intelligent marketing, intelligent shopping guide and inventory management. Patrol is designed to highlight features and increase scanning accuracy. Xiubao technology simple modeling design, conducive to retail scene drainage and consumer operation.