Night dangerous rock treatment construction method

The invention provides a night dangerous rock treatment construction method which comprises the following steps: 1) arranging an approach construction road at the top of a dangerous rock body, carrying out excavation construction from top to bottom, forming a construction area after a slope of each step is supported, and then carrying out lower step construction; (2) a protective fence is arranged at the position, 1.5-2 m away from the sideline, of the outer side of the construction area; (3) a warning fence is arranged at the position 1-1.5 m away from the inner side of the protective fence; (4) a fracture is formed by the protective fence and the warning fence and serves as a discharging opening; (5) arranging a vehicle blocking ridge with the height of 1-1.5 m at the discharge port; 6, after the explosion materials excavated by the excavator are conveyed to the vehicle stopping ridge through the dump truck, the explosion materials are unloaded to the material collecting platform. By the adoption of the str