The invention relates to the technical field of building doors and windows, and discloses an infrared anti-theft door and window system. The infrared anti-theft door and window system comprises a sliding door body and a door frame, comprises a door and window power system, a door and window anti-theft system, a controller and a server, and further comprises a motor, a buffer device, a base and pulleys; the door and window power system is arranged at the bottom in the sliding door body; the base is provided with at least one pair of pulleys and is provided with the motor and the buffer device;the motor is electrically connected to the buffer device; the door and window anti-theft system comprises a switch, at least two sets of infrared generators and an infrared receiver; the infrared generators are arranged on the side wall of the door body; the infrared receiver is arranged on the door frame; the infrared generators corresponds to the infrared receiver in position; the infrared receiver can receive infrared signals in the infrared generators; one set of the infrared generators and the infrared receiver are arranged at the top of the door body and the top of the door frame correspondingly. According to the infrared anti-theft door and window system, a door and a window can be remotely, automatically and quickly closed, and a good anti-theft effect is achieved.