Residue-free discharging device of property management garbage can

The invention relates to the technical field of garbage treatment, and discloses a residue-free discharging device for a property management garbage can, which comprises a garbage storage box, connecting shafts are fixedly mounted on the positions, close to the top, of the two sides of the outer surface of the garbage storage box, and the outer surfaces of the connecting shafts are movably sleeved with hydraulic machines; a garbage can is fixedly mounted at the top of the dumping device in a clamping mode, connecting rods are fixedly mounted on the two sides of the outer surface of the dumping device, and one end of an output shaft of the hydraulic machine is movably connected with the connecting rods in a sleeving mode, so that the garbage can slides in the process that the hydraulic machine retracts to drive the dumping device to be lifted; and when the handle of the garbage can makes contact with one end of the movable buckle piece, the garbage can stops sliding at the moment, garbage in the garbage can co