Spatial allocation of public service facility in rural area: A case study in Linzhou, Henan Province

China is now practicing the rural construction to narrow the gap between the urban and rural areas. Consequently, tens of millions of dollars are pumped into rural areas. To guarantee the social equity and achieve the economic efficiency, however, where or which villages should accept the investment? This paper aims to forming a technical flow details on how to pick out the exact built locations of public service facilities from great lots of counties with preconditions that the distribution and size of counties are invariable. We consider the issue as a set covering problem that can be resolved by spatial analysis technique. This method is used to locate different levels of school in Linzhou, Henan province, China. Results show that this method has a great maneuverability in practice.