The invention provides an electric power production area intelligent road height-limiting anti-collision warning device and belongs to the electric power production anti-collision warning field. The electric power production area intelligent road height-limiting anti-collision warning device comprises a height-limiting rod, wherein the height-limiting rod includes two upright columns and a cross beam fixed at the tops of the two upright columns. The electric power production area intelligent road height-limiting anti-collision warning device is provided with a buffer height-limiting rod; the buffer height-limiting rod is parallel to the height-limiting rod; the buffer height-limiting rod includes two upright columns B and a buffer bar of which the two ends are fixed at the tops of the upright columns; the two upright columns B are provided with a laser generator and a laser receiver respectively; the joints of the buffer bar and the upright columns B are provided with collision sensors; the height-limiting rod is provided with a warning device and a control device; the output ends of the laser receiver and the collision sensors are connected with the signal receiving end of the control device; and the power source end of the warning device is connected with the control device; and therefore, warning can be carried out when collision occurs.