As a social organization with government organs，enterprises and institutions juxtapositions of the third sector，is the most basic，the most extensive and most active social forces in organizations，is one of the effective social construction carrier，undertake government，market，society，between contacting link and Bridges，making up for the government failure，market malfunctions have a unique advantage.This paper summarizes the nearly 60 years Beijing social organization development phases，analyses the Beijing social organizations to develop the existing problems and causes，and puts forward the development of the social organization of Beijing concrete proposals，with more advantageous to promote social organization development，better realize social organizations to participate in social construction and management.