The invention relates to a garlic clove crusher. The garlic clove crusher comprises a discharging device and a crushing device arranged on the discharging device, wherein the discharging device comprises a machine frame, a conveying belt, a motor frame, reinforcing frames, a discharging motor, a speed reducer, roller shafts, gears, bearing seats and a chain case; the crushing device comprises a hopper, an upper box body, a lower box body, crushing cutter discs, a cutter disc shaft, an arched sieve, a supporting frame, a discharging port, a crushing motor and a belt transmission protection cover; and each crushing cutter disc is provided with a plurality of crushing gears along the circumferential direction of the crushing cutter disc, each crushing gear is composed of a plurality of crushing teeth, and each crushing gear is movably connected with a material ladle in the same direction. According to the garlic clove crusher, the garlic cloves can be crushed into garlic grains in the grain size of 40 meshes to 80 meshes through cooperation of the crushing device and the discharging device; and automatic discharging, transportation and collection can be realized, the garlic particlesare uniformly crushed, and the efficiency is high.