The laying speed of the IOT is constantly accelerating, and the form of the IOT in supermarkets will penetrate faster, especially as the ESL interacting with consumers, the manual price change method currently used will gradually be replaced by wireless ESL, the most fundamental reason is that the ESL provides the fast speed that the manual can not provide, which is also the requirement of industry efficiency improvement.The functioning of society is evolving towards greater efficiency.A very important communication bridge between merchants and consumers is price information, no matter what channel you see a certain model of goods in the future if you want to achieve price synchronization as soon as possible, you need the help of electronic shelf labels, ESL can achieve different points of sale at the same time change prices, so that merchants in the price adjustment more timely, to provide customers with a better experience.