Abstract: Karst rocky desertification is a kind of land degradation which has happened in fragile karst mountain ecosystem in Southwest China.As one of the most serious ecology-environmental problems,it astricted the sustainable development of the area.In recent years,the research on the rocky desertification is very active and has made great progress in many areas at home and abroad.However, there are still many obstacles in actual eco-restoration process of karst area. Many researches indicate that mycorrhizal fung...