In recent years, the dry fruit economic forest in Shanxi Province has been enjoying an annual increase of 1million Mu, among which 80% is occupied by walnuts in terms of area. Driven in this way, the walnut industry in Shanxi Province realizes leapfrog development. According to the Department of Forestry of Shanxi Province, the total area of walnuts has reached over 7million Mu in Shanxi Province by now, which indicates walnuts’ well-deserved leadership of dry fruit economic forests in Shanxi Province.