The invention discloses a smart home system. The smart home system comprises a security door subsystem, an intelligent window subsystem and terminal control equipment, wherein the security door subsystem comprises a door body, a monitoring camera device, a voice intercom device, an express receiving box, a first power supply circuit and a security door central controller, and the security door central controller is used for controlling the operation of the whole security door subsystem and used for receiving and transmitting information; the intelligent window subsystem comprises a window frame, a window body, a solar thin film, an air interchanger, an electronic lock, a window body drive device, a storage battery and an intelligent window central controller, and the intelligent window central controller is used for controlling the operation of the whole intelligent window subsystem and used for receiving and transmitting information; the terminal control equipment is a smart phone and/or a tablet computer and/or a personal computer. The smart home system has the advantages that home life safety, convenience and comfortableness can be increased, and high-quality life experience is provided for people.