On-off system automatic control system and control method

The invention discloses a computer opening/closing automatic control system, which includes a computer opening/closing controller and a computer opening/closing control system, wherein the computer opening/closing controller includes a computer opening/closing control signal testing module, a computer closing serial signal generating and outputting module, a on-off control module; the computer opening/closing control system includes a computer closing serial signal testing and closing module, and a remote computer opening signal transmission module; the on-off control module is respectively connected with the computer opening/closing control signal testing module, the computer closing serial signal generating and outputting module and a server required to control; the computer closing serial signal generating and outputting module is connected with the computer opening/closing control signal testing module and the server required to control; the computer closing serial signal testing and closing module and the remote computer opening signal transmission module are respectively connected with the server required to control. The computer opening/closing control system is installed in the controlled server. The invention utilizes movement produced by the switch signal produced by the external switch as a signal origin to control the server to automatically open/close computer, which can effectively control server automatically computer opening/closing.