The invention discloses double-groove type building safety net cleaning equipment, which comprises a machine box, a cleaning box, a purified water box, a flushing box and an ultrasonic generator, wherein tensioning wheels are arranged on fixing beams arranged in the flushing box and the machine box, a vibration post connected with the ultrasonic generator is arranged in the machine box, a rotating rod arranged on the top end of the machine box is connected with the cleaning box through a hanging rope, the purified water box arranged above the fixing beam arranged in the flushing box is connected with a flushing pump arranged at the top end of the purified water box, a baffle plate and an air inlet pipe are arranged in the flushing box, and a rolling tube is arranged on the machine frame near the flushing box. The double-groove type building safety net cleaning equipment has the advantages that the operation is simple, objects such as oil stain, dust and paint on safety net materials in different lengths can be effectively and fast removed, the cleaning speed of the device is high, the work efficiency is high, and the cleaning effect is good.