The utility model discloses a forced air cooler cleaning system for aerogenerator, include: water tank, water pump and cleaning box, water releasing ball valve is installed on the side to the water tank, is provided with liquid level liquid temperature meter on the water tank, and inside being provided with of water tank is used for inside water to carry out the heater of heater, and water tank top surface installs air cleaner and temperature sensor, cleaning box includes: spray tube, rectangular valves, water receiving box and support, wherein, the aperture is offered to the equidistance on the spray tube, and the aperture forms the array group form of closing on all spray tubes, spray tube both ends passing hand adjustable right angle combination coupling install on rectangular valves, and rectangular valves is fixed on the water receiving box, the water receiving box is fixed on the support, water pump installation water tank top surface, the inside water -infusion of water pump extraction water tank to the spray tube in, and on this supply channel device control valve and water filter, the sewage that washes the back whereabouts is acceptd to the water receiving box, and the drainage of water receiving box is in the water tank that finally flows back after water filter filters.