Abstract: The non-government organizations embody social capital，and they are the “production departments”of social capital. The creation and regeneration of social capital is an inherent function of the non-government organizations. In China’s process of market-orientation,it is the overt function of social capital to strengthen citizen’s confidence,promote their cooperation,and weave good social network,revealing important ethics value in promoting social harmony.

Key words: NGOs, social capital, social harmony