Abstract: Under China’s socialist market economy,it is important to emphasize and fully play the political function of civil social organizations to meet the requirement of democratic and political development in constructing a harmonious relationship between the country and society.The major functions of civil social organizations are seen in the following aspects:making up for the deficiency of social failures and sharing the responsibility of the government’s social management;protecting the civil political rights and promoting the procedures of democratic decision-making;encouraging the transformation of government functions and impelling the political reform.

Key words: civil society organization, political function, democratic politics