A method for controlling a smart home using a smart watch is disclosed. The method includes: detecting whether the smart watch has entered a sensing range of the smart home; detecting, after the smart watch has entered the sensing range of the smart home, whether the smart watch has established a wireless connection with the smart home; turning on, after the smart watch has established the wireless connection with the smart home, a smart-home-control function of the smart watch; and while controlling the smart home using the smart-home-control function, recognizing hand gestures of the user using the smart watch and controlling the smart home through the wireless connection to switch current working state of the smart home based on the recognized hand gestures of the user.