Abstract: As an important ecological problem, the phenomenon of rocky desertification largely influenced the establish ment of ecological environment and the development of social economy in Yanyuan County. In this paper, by using "the third monitoring database of rocky desertification in the karst area of Sichuan Province", different site factors were divided.And combined with the local economic development needs, 5 kinds of control models and treatments were put forward, including fruit forest, ecological forest, forest reservation (reinforcement planting involved), grass planting and engineering measures, which provided reference for the control of rocky desertification in the same area.