In the last 10 years，the economic income standard of peasant was increased year byyear. Through studying on the mechanism of the circulatory system of income production in Wangdong gully experimental area，the author thinks that the fruit growing will be a pillar in-dustry of forming economic income，the industry and sideline production will change from "theloosely structure" to“a very important sector" in the supporting systems of forming economic in-come，and the commodity production will be present in the process of development of agricultural production，the income standard of peasant will rise faster in future