Hunchun small watershed in Ruyang county, He’nan province is one of the experimental units in drainage areas of the Huaihe River Committee. The harness experiences and the benefits from 1986 to 1992 are introduced. Meanwhile the effect of soil and water coservation on reducing the loss of water and manure and soil erosion, and on developing the local agriculture, forestry, animal husbandry and sideline production are also studied. Besides, comprehensive analysis is made on the short-term and forward benefit. The initial result indicates clearly that developing comprehansive harnese of soil and water conservation in small watershed is quite resonable and feasible in economy.