Reusable guardrail

The utility model relates to the technical field of building equipment, and discloses a guardrail capable of being repeatedly used. Comprising a guardrail bottom plate, a fixing bolt, an equipment box body, a roller shutter assembly, a reel, a roller shutter, a limiting rod, a lifting rod, a lifting motor, a sliding baffle, a limiting column, a connecting rod, a fixing rod, a handrail, a monitoring base assembly, a monitoring base, a rotating shaft, a monitoring clamp, an equipment cover plate, a driver and an expansion bolt, and the roller shutter assembly is clamped in the equipment box body. The guardrail capable of being repeatedly used has the advantages that the guardrail is provided with the guardrail bottom plate structure, the fixing bolts can be taken down, the equipment box body can be detached from the guardrail bottom plate, the fixing rods arranged on the guardrail can be taken down from the limiting columns in a sliding mode, the roller shutter assembly is arranged on the guardrail, and the rol