The joint social organization is a new research area of modern social organization. It plays an critical role in promoting the transformation of government functions，absorbing social forces to participate in the supply of public services and social management，with its link type and comprehensive qualities. In this paper，we will discuss how to embody the hub function of this new organization through the investigation of the joint social organization of Zhongguancun. In this investigation it is founded that the social organization has been playing an important role in linking the upstream organizations and downstream organization to promote industrial upgrading，and it also do a lot of things in carrying out trade organization industry research，building an interactive platform for policy propaganda，strengthening the industry norms and reflecting the enterprise’s demand.