In recent decade，the Hong Kong government actively promote urban renewal of the old blocks and large-scale transformation of urban landscape and local features，triggered a series of social concern and public participation about the social，political，cultural and ecological issues from community reconstruction，which tremendously influenced the development in Hong Kong’s civil society and participatory democracy at the grass-roots level，Hong Kong’s civil society is also present gradually along with the active participation of Hong Kong citizens. This article will focus on the evolution of this kind of citizen participation，as well as the meaning of civil society in Hong Kong.