Electronic price tags have the characteristics of high efficiency, low consumption, and clear display, supporting users to customize screen display content and achieve one click change. Electronic price tags have bidirectional interactive properties and can serve as offline traffic entry points, integrating the production, collection, and operation of consumer behavior data at the store end, creating an intelligent store to provide data foundation, and realizing the digital presentation of the entire scene of "people, goods, and venues". ·Connect to the supermarket computer database and display the latest product information, such as product number, product name, place of origin, specifications, grade, pricing unit, price, inventory, layout, etc., through the electronic screen on the price tag. The electronic price tag successfully integrated the shelves into the computer program, eliminating the need for manually changing price tags. Compared with ordinary paper price tags, electronic price tags can synchronize online and offline, interact with users in real time, and display product information reliably, conveniently, and flexibly. At the same time, they optimize and improve the efficiency of various business activities in retail stores, and increase the frequency of product promotions. ·It has the characteristics of real-time price adjustment, information synchronization, and time period promotion, and can achieve functions such as product positioning, product recommendation, picking and matching, and marketing implantation, increasing the interaction between products and operators, customers, and brand merchants. At the same time, combined with online platforms, it can achieve product evaluation and mobile checkout, widely used in various retail scenarios.