Anchoring device for preventing landslide geological disasters and using method

The invention relates to the technical field of anchoring, in particular to an anchoring device for preventing landslide geological disasters. The fixing device comprises a rod body, a reinforcing rod is movably arranged in the rod body, and a plurality of fixing assemblies used for being inserted into the side wall of an embedded hole are rotationally arranged on the two sides of the reinforcing rod. Two rotating plates are held to drive a rod body to be inserted into an embedded hole, so that the convenience of insertion of the rod body is improved; the two rotating plates are pulled towards the two sides of the rod body, the power assembly can drive the multiple fixing assemblies to be inserted into the side wall of the pre-buried hole, the rod body can be prevented from moving out of the pre-buried hole, and the anchoring stability is guaranteed. The rotating plates and the fixed plates on the anchoring devices mounted in the two adjacent pre-buried holes are matched with each other, grids are formed on t