Deep excavation cutting fallen rock blocking protection device

The utility model relates to a deep excavation cutting falling rock blocking protection device, and belongs to the technical field of cutting protection, the deep excavation cutting falling rock blocking protection device comprises a protection net and a fastening assembly, the protection net covers a cutting slope, net holes in the protection net can be used for normal growth of plants on the cutting slope, and the fastening assembly is used for fastening the protection net to the cutting slope. During construction, the fastening assembly is adopted, the protective net is installed on the cutting slope, when dangerous rocks on the cutting slope slide down, the dangerous rocks can be blocked by the protective net and cannot slide down to a cutting, only the fastening assembly needs to be installed during construction, a layer of mortar rubbles does not need to be built on the whole cutting slope, and therefore the overall efficiency of cutting construction is improved, and the construction cost is reduced. An