In an aging society, the demand for medicine is fast growing, thus drugstore plays a crucial role in modern retail industry.

Electronic Shelf Label(ESL) is the right approach to promote medicines more carefully and rigorously, and display necessary information like side effects, contraindication, and others that customer should have known on the shelves.

Beyond that, ESL is also fundamental to IoT system optimizing drug stores' sales performance by accurately catch needs of customers and quickly adjust stock for market demands. Undoubtedly, ESL has started the digital revolution across drug chain stores.