The invention discloses a garbage recycling device for environment-friendly machinery. The garbage recycling device comprises a base, a rotating structure and a treatment structure, and the treatmentstructure comprises an upper treatment plate, a lower treatment plate, a treatment plate rotating shaft and a treatment mechanism; and the treatment mechanism comprises a containing box, a water inletstructure, a rotating shaft, a sliding groove, an electric telescopic rod, a water outlet structure, a screen, a fixed seat and a top rotating shaft, and the rotating structure comprises a side edgemotor, a middle rotating shaft, a side edge supporting rod, a rotating disc, a tail device, a top plate and a garbage inlet. According to the garbage recycling device, the two sets of treatment platesare arranged, so that garbage can be effectively cleaned and aired; and meanwhile, water flow enters from the bottom and flows out from the bottom, the screen can be prevented from being blocked, thegarbage can be automatically poured out through the containing box, and convenience is achieved.