Mao Zedong pushes forward the sinicization of Marxism in reviewing historical experience. Based on summarizing the historical experience of the Party, he proposes "the sinicization of Marxism"; based on summarizing the historical experience of the new democratic revolution, he creates the theory of new democratic revolution; based on summarizing the historical experience of socialist construction in the Soviet Union and the new China, he puts forward the second combination of the Marxist doctrines with the reality of China. Mao Zedong has summarized the historical experience and promoted the sinicization of Marxism, leaving us with important enlightenments.