The invention discloses an intelligent grinding disc type garbage disposal machine and an operation method of the intelligent grinding disc type garbage disposal machine and belongs to the technical field of kitchen waste crushing equipment. The intelligent grinding disc type garbage disposal machine comprises a machine core and an intelligent control system of the intelligent garbage disposal machine. The machine core comprises a shell, a power system, a feeding system, a rotating crushing system, a grinding and extruding system, a lower box body and a slope slag discharging system. The powersystem comprises a chassis, a motor, a motor shaft, a motor cover and a bearing. The feeding system comprises a material guiding core, an upper box body, an inner container, a mounting frame, a fixing ring and a pool joint. The rotating crushing system comprises a turntable A, a rotating knife, two collision blocks and a discharging port ring. The grinding and extruding system comprises a rotating disc A lower part, an upper grinding disc, a lower grinding disc, a fixed disc and a turntable B. The slope slag discharging system comprises a slag discharging joint, a slag discharging inclined disc and a slag discharging pipe. The intelligent control system comprises an electric controller main board chip processor, a vibration alarm, a foreign matter alarm, a blocking alarm, a vibration sensor, a foreign matter sensor, a blockage sensor and a remote controller switch. The intelligent grinding disc type garbage disposal machine and the operation method have the beneficial effects that intelligent garbage disposal is achieved, the garbage particles are small, and pipe network blockage cannot be generated.