An intelligent household controller includes a communication unit, a central controller, an alarm unit, and a button. The communication unit is configured to receive information collected by at least one sensor, and can forward control commands to the at least one sensor. The central controller is electrically connected to the communication unit for receiving and processing information received by the communication unit and can output processed information and control commands to the communication unit and to a terminal device in user possession. The alarm unit is electrically connected to the central controller and can output audible alarm. The button is electrically connected to the central controller for switching between modes of operation according to user's desire.