This machine is a rotary cutter-type energy-saving hay cutter with novel structure, smooth operation, free movement, energy-saving, easy to operate, easy maintenance, safety, even cutting sections and so on. Suitable for chopping all kinds of grass, hay, straw, wheat straw, cotton straw, cotton straw, corn straw, peanut seedlings, sweet potato seedlings and other feed or medicinal materials. Is the vast number of rural farmers and small and medium-sized feed processing plant machinery and equipment, but also for agriculture, pastures and paper mills, medicinal plants. Green corn straw chopper, forage grass cutter, multi-functional chopper kneading machine automatic feed.