Smart home control method and control system

The invention discloses a smart home control method and control system. The smart home control method comprises the steps that: a license plate recognition system recognizes the license plate number of a vehicle entering a community parking lot, obtains the license plate number of the vehicle as a first license plate number, determines that the first license plate number is the same as any one license plate number in a pre-stored license plate number list, and sends the first license plate number to a server; the server receives the first license plate number, obtains a room number bound withthe first license plate number according to a corresponding relation table of the license plate number and the room number, and obtains an ID of a controller corresponding to the room number; the server sends a first control signal comprising a first license plate number to a controller corresponding to the ID; and the controller receives a first control signal, obtains indoor environment information, and starts a corresp