The invention discloses a full automatic chopping machine which comprises a rack, wherein a working platform is arranged on the left half side of the rack; a base is arranged on the working platform by virtue of a rotating shaft; a gravity sensor is arranged below the base; splash baffles are arranged at the periphery of the base; a clamping groove is formed in the base and can be used for placinga cutting board; the rotating shaft is connected with a motor; the motor is connected with a control panel; the control panel is arranged on the rack; a cutter mechanism is arranged on the right halfside of the rack and comprises two supporting rods; connecting rods are respectively arranged on the two supporting rods by virtue of rotating nuts; the connecting rods are connected with a cutter holder by virtue of rotating nuts; blades are fixed by the cutter holder by virtue of nuts; the connecting rods are connected with a transmission shaft by virtue of a coupling; the transmission shaft isconnected with the motor; and the blades are arranged in the splash baffles. The full automatic chopping machine disclosed by the invention is simple in structure, practical and convenient, and the blades can be automatically sharpened without detaching the blades by adopting the sharpener when the blades are blunt. The full automatic chopping machine disclosed by the invention can comprehensively work by rotating the cutting board.