Method and system for automatically controlling on-off of household lamps

The invention discloses a method and system for automatically controlling on-off of household lamps, and the method comprises the steps that a control chip transmits a drive instruction to a camera and a brightness sensor, which are installed in a room; the camera shoots a room picture and sends shooting data to the control chip; and the brightness sensor detects the brightness of natural light ina room and sends detection data to the control chip. The control chip transmits the shooting data and the detection data to a cloud server; the cloud server analyzes and processes the shooting data and the detection data and makes a control decision of a lamp switch; the cloud server sends the control decision to the control chip; and the control chip controls the on and off of the lamp accordingto the control decision so as to realize the automatic control of the lamp switch. By means of the method and device, the situation in the room can be comprehensively detected, the accuracy of lamp control decisions made by t