Abstract: A disposal system for the grinding, sorting, and sanitization of medical waste with sanitizing liquid includes a hollow housing. The hollow housing includes a grinding device to grind the medical waste, a receiving device to receive and sort the ground medical waste into lighter and heavier fragments and sanitize the same. The receiving device is pivotally mounted in the housing so as to be rotated outwards therefrom. The housing includes a returning device and a discharging device for respectively returning and discharging the sanitizing liquid. The housing includes an electrical control device to activate the grinding device, the receiving device, the returning device and the discharging device.