The bottom of the pot is in the shape of a funnel, and the small slag automatically precipitates to the bottom of the funnel-shaped slag area (length 80cm, width 20cm) during the operation of the fryer, and then is pumped to the oil filter by an oil pump under a high pressure of 25 kg and the residue When the cloth is put on, the oil will return to the fryer, and the residue will be left on the oil filter cloth. It can be cleaned up, which can be cleaned as soon as it is fried, which is very convenient. In order to prevent the oil from stiffening and turning into a paste in winter, the oil pump has a high temperature resistance of 300 degree and the motor is 2.2 kilowatts, which can pump oil in even in winter.