This project is a 4G cloud POS machine designed by the company for Chaomeng Group. It is a mobile cash register artifact and follows ergonomic design as a whole. It is designed with full consideration of the convenient and comfortable experience angle of both parties. The radian design of the micro-arch, the concise and clear color matching, and the ingenious layout of the one-dimensional two-dimensional code module meet the needs of accurate and fast scanning code payment. The overall design of the rechargeable base, pick it up when it is used, and put it back to automatic charging when it is used up, and the product will never be powered off. Due to its convenient and fast collection, the products now cover more than 260 cities and are used by more than 100 million merchants.