Garbage disposal device

The invention relates to a garbage disposal device. The garbage disposal device comprises a hollow shell, wherein a smashing mechanism is arranged in the shell, the smashing mechanism comprises a lower smashing disk, an upper smashing disk and a motor, a plurality of upper smashing rings are coaxially arranged at the lower end of the upper smashing disk, a plurality of upper smashing slots are formed in the lower end of each upper smashing ring in the circumferential direction, the upper smashing slots penetrate through side walls of the upper smashing rings, a clearance is reserved between the outer wall of the lower smashing disk and the inner wall of the shell, a plurality of lower smashing rings are coaxially fixed to the upper end of the lower smashing disk, a plurality of lower smashing slots are formed in the upper end of each lower smashing ring in the circumferential direction, the lower smashing slots penetrate through side walls of the lower smashing rings, the lower smashing rings are inserted int