An automatic machine for processing a tooth by a graft material includes: a body (10) including a power supply (60) supplying power to a controller, which controls the amount of supply solution and operation of a suction pump (40) and a vibrator (80), and having a receiving space； a receiving container (53) disposed in the receiving space, having a space for keeping a tooth bone graft material, and including a net (59) and a cover (51) having a handle (52)； a cylinder (55) having a space for keeping the receiving container (53), and inlets (56) and outlets (57) for supplying and discharging the supply solution； a vibrator (80) fastened to the cylinder (55) and generating vibration of 1 to 100,000 VPM； a supplying container (20) supplying the supply solution to the cylinder (55)； and a suction pump (40) discharging solution in the cylinder (55) to a discharging container (70).
