The amount of product information in the shopping environment will affect consumers' purchase decision. In addition to the price, electronic shelf labels ESL can also display a variety of information, such as promotion time limit, inventory quantity, user evaluation, product composition and origin. Consumers can use their mobile phone to scan Supermarket Electronic Labels to further watch product use videos, reduce uncertainty and increase purchase confidence. In addition, retailers can push stores or brand time limited activities to mobile phones through ESL. Therefore, the label is not only a carrier to mark the price, but also a medium for retailers to communicate with consumers. Through the richness of product information, it can reduce consumers' cognitive risk, achieve the effect of advertising and persuasion, and have positive benefits for consumers' purchase decision-making.