The first leap took place during the new-democratic revolution. In semi-colonial and semi-feudal old China, the China * * * Production Party combined Marxism-Leninism with the reality of China, found a revolutionary road of encircling cities from rural areas and seizing political power by armed forces, formed Mao Zedong Thought, and won a great victory in the new-democratic revolution.

The second leap occurred in the period of socialist construction. In socialist China, where economy and culture are relatively backward, the Communist Party of China (CPC) combined Marxism-Leninism with China's reality, found a road to Socialism with Chinese characteristics's construction characterized by reform and opening up, formed Socialism with Chinese characteristics Theory including Deng Xiaoping Theory, Theory of Three Represents and Scientific Outlook on Development, and achieved great victory in socialist modernization.