Abstract: Network communication has brought about a great change in the way of information transmission, which has changed the ecological environment of ideological and political education, brought great challenges to ideological and political education, and weakened the discourse power of ideological and political education. In view of this situation, this paper puts forward corresponding countermeasures from the discourse mode, ideological tension and media optimization of ideological and political education, in order to enhance the effectiveness of ideological and political education and promote the effectiveness of discourse power of ideological and political education.