In the new media era, "micro ideological politics" in Colleges and universities presents the characteristics of diversified subjects, diverse forms and open system, which greatly promotes the interactive communication of information and provides a broad space for "micro ideological politics" in Colleges and universities. However, the plight of the marginalization of theoretical discourse, the decline of communication discourse and the weakness of practical discourse can not be underestimated. Colleges and universities need to focus on building a collaborative education pattern, optimizing guidance content, enriching guidance carriers and fine guidance methods, so as to improve the discourse power of "micro ideological and political" in Colleges and universities, so that the discourse of "micro ideological and political" in Colleges and universities always occupies a dominant position in the complex and changeable network discourse.