Abstract:With the maturity of Internet technology and the involvement of social media, the user community has entered the public vision as the carrier of user innovation, which has a far-reaching significance for enterprise to upgrade and innovate, it is a new way to cooperate with users. Based on the related literatures of user community and user innovation, this paper summarizes the generation and development of user community, the type and characteristics of user community, the participants and participation process of user community, in addition the impact of user community on user innovation. Finally, the user innovation process model under the user community is constructed, and the future research direction is forecasted. The aim is to provide new ideas and inspiration for the enterprise innovation from the perspective of user community.