The kitchen waste pretreatment cutting and crushing machine adopts advanced national and international technology of dual axis rolling cutters. The blade thickness is 8-10mm, and the speed is 25-50 revolutions per minute. It can be driven by a single motor or dual motors to crush and pretreat kitchen waste, which can be fermented, anaerobic, and composted. After crushing, pre-treatment, fermentation, and solid-liquid separation, the volume of kitchen waste can be reduced to 5-10% of its original size.