The invention relates to medicine and is designed for grinding medical and domestic waste. Grinder medical and domestic waste includes frame, working chamber with loading neck, disk blades and cleaning cover plate, installed on drive shaft and the driven shaft and set in motion by asynchronous electric motor via worm gear, driven shaft is set in rotation drive shaft through a pair of axle, driven and drive shafts rotate towards each other, window unloading, each disk knife has, at least, two gripping hook, located on edge of disk symmetrically opposite each other, and along the whole circumference of between them is made double-sided sharpening, forming cutting edges of disk. Disk cutters may be mounted on drive and driven shafts, so, that hooks adjacent disks are shifted relative to each other in range from 15 to 25 degrees. The feed grinder may be additionally is equipped with viewing window. The technical result is was to increase the efficiency of grinder.