The utility model discloses an anticollision guardrail concrete surface cleaning device which comprises a rack. A cleaning portion is arranged on the rack and comprises a triangular cleaning track capable of covering the concrete surface and provided with a hairbrush, the cleaning track is driven to rotate through a track wheel set, the track wheel set comprises a first driving wheel positioned at a top corner of the cleaning track, two driven wheels positioned at two bottom corners of the cleaning track respectively, and two second driving wheels positioned on the base of the cleaning track respectively, the second driving wheels and the first driving wheel can form a triangle, and a power portion driving the first driving wheel and the second driving wheels to rotate is arranged on the rack. By the anticollision guardrail concrete surface cleaning device, the objectives of thoroughly cleaning the anticollision guardrail concrete surface, lowering labor intensity of workers and improving cleaning effect can be achieved.