The suspended medium harrow absorbs the advantages of similar foreign advanced products. The whole machine adopts steel frame structure, with square welded pipe integral rigid harrow frame as the main body, equipped with rigid gantry, square pipe pulling beam, main beam filler reserved hole and special sealing thrust rolling bearing for disc harrow, with reasonable structure, It is a domestic advanced disc harrow product, which is durable, easy to transport, small turning radius, easy to adjust and maintain. It is mainly suitable for straw chopping and returning to the field, soil breaking after ploughing, leveling and moisture conservation, etc. it can also replace the plow for soil ploughing in loose fields. Matching with 45 ~ 80 horsepower wheeled tractor, it has reasonable power utilization, high operation efficiency and strong soil crushing ability. After harrowing, the ground surface is flat and the soil is loose and broken. It has strong adaptability to sticky soil, wasteland and weeds.