Abstract: From the per capita GDP of country economy, we use variogram theory and method to calculate County economy related indexes variation functions, basing on per capita GDP, per capita net income of data and space location coordinate in 129 counties of Yunnan province from 2000~2007. then we simulate the spherical model, finally we analyze the variogram together with the situation of county in Yunnan, in order to provide some help for yunnan county economy.