The invention relates to an animal husbandry smashing device, in particular to a pasture smashing device for animal husbandry. The pasture smashing device for animal husbandry is complete and uniform in smashing and simple in structure. In order to achieve the technical aim, the pasture smashing device for animal husbandry comprises a bottom plate, a left frame, a guide sleeve, a first bearing seat, a collecting frame, a motor, a first rotary shaft, a small belt wheel, a flat belt, a large belt wheel, an installing plate, a second rotary shaft, a first bevel gear, a third rotary shaft, a second bevel gear and the like. A smashing box is arranged over the bottom plate. The effects of being complete and uniform in smashing and simple in structure are achieved, the manufacturing cost is low, the structure is reasonable, and maintenance and repair are easy; use is convenient, investment of manpower and material resources is reduced, and cost is reduced.