Abstract：During the Liberation War, the popularization of Marxism made significant progress and had rich historical experience. As the innovative outcome of Marxism theory, Mao Zedong Thought is the main part of popularization of Marxism; the purity of CPC and its advancement has provided political guarantee for the popularization of Marxism; the sway of Marxism in ideology has enhanced its influence among people; and thus providing ideological guarantee.

Keyword：period of Liberation War;the popularization of Marxism;the historical experience;