The institution of linking the increase in land used for urban construction with the decrease in land used forrural construction （LIDL） is one of the effective means to balance the development of urban and rural area. It ismeaningful to realize economic development and farmland protection at the same time especially for mountainous areawhere land resource is limit. On the base of analyzing the restrictive factors such as natural factors, economic factors andsocial factors, the article calculates the realistic potential of rural residential la...
