The laying speed of the IOT is constantly accelerating, and the form of the IOT in supermarkets will penetrate faster, especially as the price tag interacting with consumers, the manual price change method currently used will gradually be replaced by wireless electronic labels, the most fundamental reason is that the electronic shelf label provides the fast speed that the manual can not provide, which is also the requirement of industry efficiency improvement. The functioning of society as a whole is evolving towards greater efficiency. Don’t know if you have noticed such a phenomenon, in the past, people in the physical store looked up a brand of goods, often habitually to Jingdong, Tmall check to see if it is cheaper online, now you go to do this action, you will find that now these brand stores online and offline are made into a price, That is to say, no matter where consumers see a certain brand of goods, it is difficult to find that the price difference is very big in different channels, which is the so-called omnichannel has been opened up, no matter what point you buy is the same, so not only good for consumers but also better guarantee the credibility of the business. A very important communication bridge between businesses 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, electronic shelf labels can achieve different points of sale at the same time change prices, so that businesses in the price adjustment more timely, to provide customers with a better experience.