Compared with the previous year，the performance output of society-building in Beijing suburban counties has showing steadily improvement in 2012. The gap between indicators of social construction was fixed also. Although there is a more balanced trend towards regional structure，but the inner equilibrium in society-building still should be strengthened. All in all，based on the preliminary coordinated development in 2011，the coordination of society-building and economy-development in Beijing suburban counties is showing a trend of differentiation coordinated development in 2012.