Abstract: The material resources value of the Defarming-and-reafforestation Project belongs to the rural economy and forestry industry,and is integrated into the scale and proportion threshold of the ecological economic system in the county resources. The location quotient method of regional economics was used for analysis of the regional advantages of potential value in the first-round Defarming-and-reafforestation Project in 178 counties of Sichuan,which involved 15 kinds of raw material forest and 41 species. The advantageous regions of related industries and species were summarized in order to serve for the cultivation of leading industries in agriculture and forestry and the selection of species in a new kound Defarming-andreafforestation project.