This product is two ridges haulm chop machine. It can complete the chop and combing of potato haulm at one time. Through the mechanical chop of potato haulm is the potato tuber skin full aging, and the stem haulm separation is easier, the aging of potato skin is conducive to the mechanization of potato harvest, the machine is convenient to operate, good reliability, high efficiency, to ensure the quality of commercial potato, after crushing the potato haulms returned to the field, can improve soil fertility.