Smart Home is an APP that can support remote interactions between humans and household appliances by smart phone. Smart Home is consists of a smart band and app. There are three main functions of app, switch, security and life. By using Smart Home, user can make their house facilities a better use. Users will use the phone control every device at home. It can manage the user's life, improve the work efficiency and quality of life, and reduce electric energy consumption in the home as well. Because the Smart Home APP is remote control, user may open the door in advance. And those household appliances also can be controlled remotely by a time schedule, as well as remotely from any location in the world by phone.