Based on the three-region input-output model, this chapter calculates the regional economic effects, economic spillover and feedback effects in demand side and supply side of the east, central and west from 2002 to 2010. The demand side measured the consumption, capital formation, export, final demand overall and the various output, the increment value and the labor remuneration effect, and the supply side calculated the total effect of the initial input and the various output, consumption, capital formation, export and final demand of the departments. <<