The utility model discloses a food cooking machine, food cooking machine includes: cup, host computer and power shaft, be equipped with the motor in the host computer, the power shaft runs through thediapire of cup and connect in the motor, food cooking machine still includes crushing knife group spare and brush subassembly, crushing knife group spare and brush subassembly all can dismantle connect in the power shaft deviates from the one end of motor, and the holding in in the cup, the brush subassembly with the inner wall phase -match of cup. The utility model discloses technical scheme adopts detachable crushing knife group spare and brush subassembly, when needs wash food cooking machine, dismantles crushing knife group spare get off, and with brush unit mount in power shaft, the motor starts, and it is rotatory to drive the brush subassembly to make this food cooking machine can be automatically clean the inner wall of cup.