The invention provides a device for derailment monitoring of a coal mine endless rope towing vehicle. The device comprises a PLC controller and a touch screen connected with the PLC controller, and a plurality of mutually connected wireless route nodes are arranged along a coal mine tunnel. The wireless route nodes are connected with the PLC controller, and a proximity switch is arranged at the bottom of the towing vehicle and connected with a wireless transmitting module. According to the device, derailment of the towing vehicle can be found accurately and timely, steel wire rope abrasion, breakage and towing vehicle damage caused by the fact that derailment of a shuttle car cannot be found timely and vehicle stoppage occurs can be reduced, derailment accidents are avoided to the largest extent, labor intensity of operating workers is also reduced, and the management level of a whole mine is greatly improved.