Small fast food frying machine is mixed with oil and water, because the proportion of water and oil is different, the water in the bottom, the oil in the upper layer of thermal fried potato chips, the residue directly precipitated in the water, the oil does not smoke, greatly extending the oil cycle, dramatically drop. Oil temperature control is accurate, thus ensuring the quality and taste of potato chips. After the work is done, the water is released and the residue will flow out with the water.