Abstract: The public free expression shapes the discourse features of the we media space, discourse democratization, the fragmentation of expression and opinion grouped, and aggravate ideology and culture colliding in we media space. Due to the popularization of we media, social discourse has been reset, the discourse power of we media space has been drastically contended by the popularity of we media, and the dominant discourse is facing weakened and squeezed challenge. To enhance discourse power of we media, we need to integrate the traditional media and new media resources to boost the discourse power, grasp the propagation law and mass psychological connotation to innovate the mode of discourse, and enhance the ecological management of public opinion on the Internet to make clear and bright discourse space.