Guardrail with high stability

According to the technical scheme, the guardrail is characterized in that the guardrail comprises two bearing boxes, and stand columns are fixedly installed on the top faces of the two bearing boxes; the stabilizing assembly is arranged on the bottom face of the bearing box and used for stabilizing the stand columns and the handrail body, and through mutual cooperation of a supporting frame, movable plates, rotating columns, supporting blocks, first springs and clamping columns, the two movable plates rotate inwards, and meanwhile the clamping columns move inwards; through mutual cooperation of a supporting plate, a placing plate, a mounting column, a second spring, a connecting hole, a supporting frame and a supporting groove, a movable plate can be moved into the supporting groove, and through mutual cooperation of the movable plate, a first spring, a clamping column, the supporting groove, a fixed frame and a clamping groove, the supporting frame supports a bearing box; pulleys on the bottom surface of the