As the functions of smartphones continue to increase, the limited battery life of mobile phones can no longer meet the needs of standby, and Charging Po is logically becoming a high-frequency application. While shared charging has low entry barriers and easy offline layout, as long as you grasp the "flow" and "Just needed", shared charging is almost a profitable business. With the finalization of the standard, the 5G era may come in 2019 ~ 2020. Entering the 5G era, video content, video calls, live video, high-definition networks Games, etc. will test the battery life of mobile phones, and mature shared charging scenarios may eliminate this concern. This text mainly introduces shared charging? ['Profit model.', 'Application scenarios.', 'Sales strategy.', 'Market prospects.']