The crawler rotary cultivator is a crawler self-propelled rotary cultivator. The rotary tiller adopts crawler walking mechanism, tractor driving principle, and independent three-point suspension, which is both original creation and functional integration of a variety of farming machinery, integrating the advantages of various models, lightweight, and the track ground area is large, making up for the lack of wheeled tractor paddy field performance, with diesel engine as power, changing different machines or blades. It can be used for rotary tillage and wide ridge ridging. It has the characteristics of simple structure, wide function, high efficiency, convenient operation and good performance of paddy field.