The coordinated development of economy and society is the process of harmonious development between their elements. The government connects the market and society，plays the key role of avoiding market failure，guiding the firms and providing public services. In practice，the Communist Party of China regard promoting the coordinated development of economy and society as the important thought of governance，leading China to achieve rapid economic growth and long-term social stability. In the new development stage，faced with the problems in innovation，income distribution，people’s livelihood，urban and rural development，education equity and employment structure，China should adhere to the new development philosophy，continue to focus on economic construction，economic reform，and better play the positive role of the promising government in order to achieve a higher level of development coordination.