The invention relates to the technical field of road traffic, in particular to road guardrail double-sided cleaning equipment which comprises a machine frame, a traveling mechanism, a distance sensor,a cleaning mechanism, circulating mechanisms, an energy supply mechanism, an industrial computer, a remote communication module and a controller. The traveling mechanism, the distance sensor, the cleaning mechanism, the circulating mechanisms, the energy supply mechanism, the remote communication module, the controller and the industrial computer are all fixedly arranged on the machine frame, thedistance sensor is fixedly arranged at the front part of the machine frame at the time of cleaning operation, the horizontal position of the distance sensor is flush with the height of a guardrail cross beam, the cleaning mechanism is suspended on the machine frame, the cleaning mechanism is a pair of symmetrical structures which are oppositely arranged, and the circulating mechanisms are fixedlyarranged on the two sides of the machine frame. The cleaning mechanism communicates with the circulating mechanisms, an energy charging component of the energy supply mechanism is arranged at the topend of the equipment, and the other components of the energy supply mechanism are arranged in the machine frame. According to the equipment, the occupied space to a lane is reduced, water resources are saved, and the cleaning effect is better.