Solid waste crusher

The invention provides a solid waste crusher which comprises a machine base, a crushing device and a driving device, and the crushing device and the driving device are installed on the machine base. Wherein the crushing device comprises a main cover body, a rotary cutting part and a screen, the main cover body is fixedly arranged on the machine base, a feeding opening is formed in the main cover body, the rotary cutting part is rotationally arranged in the main cover body, and the screen is detachably installed at the bottom of the main cover body and located below the rotary cutting part. The rotary cutting component comprises a rotating shaft and a plurality of cutter turntables, the rotating shaft is rotatably arranged in the main cover body, the driving device drives the rotating shaft to rotate, the cutter turntables are arranged on the rotating shaft, and the cutter turntables are in driving connection with the rotating shaft. A plurality of blades are arranged on each cutter rotating disc, and the blad