According to the charactor of the tonw-system layout in moun-tainous area,this paper analyses current situations and existing problems ontown-system in Leshan region,combining with the practice of the town-system planning in this region.This paper also studies how to make the town-system in the region rational layout in the light of the economic andsocial development tendency in the end of the 20th century and the beginningof the 21st century.