With extensively spreading of the diversified ideological trend in colleges and universities, the conflict between Marxism and nonMarxist ideological trend is formed and the competition between Marxism diversified dissemination platforms is intensified. Marxism disseminators in colleges and universities should actively respond to the reality, use academic and ideological theory to attract the students to increase the persuasion of theoretical classes, boost the combination of ideological and political classes with practice, consolidate the theoretical guidance on social practice, strengthen Marxism dissemination function in social practice, use new media to break “psychological truth” created by antiMarxist, steer the students to access to the objective reality, let “opinion leaders” in colleges and universities play a role in Marxism popularization and actively respond to the conflict and competition in Marxism popularization in colleges and universities. 