Abstract: A smart device control system, comprising a smart device control center, a smart device, and a user control terminal. By means of a local area network, the smart device is connected to the Internet and thereby also connected to the smart device control center, and the user control terminal is connected to the smart device control center by means of the Internet; the smart device control center comprises a communications unit, a data storage unit, a mass data processing unit, a smart processing unit, a service processing unit, and an instruction assembly unit. The smart device control center is connected by means of the Internet to the smart device and the user control terminal, achieving communications between the smart device and user control terminal and the smart device control center.