The products focus on the construction of national smart city, and propose smart city comprehensive service solutions. Modular product design, equipped with core module, toilet module, equipment module, retail storage module, optional module (including shower room module, the third toilet module, smoking module, sanitation workers lounge module, maternal and child module), optional modules can be flexibly matched according to demand. The product is equipped with intelligent sharing equipment, such as intelligent retail machine, intelligent storage cabinet, shared umbrella, shared charging bank and other sharing equipment. Products are associated with the general control and detection platform through the Iot cloud platform, and citizen users can effectively interact with each other through the client APP. The core of the product is shared iot, based on modular optional assembly, which provides real convenience for urban residents.