Abstract: The origination, generation and development of Mao Zedong's surpass thought experienced a winding development process. There are many factors that promoted the generation of Mao Zedong's surpass thought: the strong anxiety of survival crisis, the inspiration of deep nantional sense of mission, the encouragement of romanticism mood, the impetus of international strength principle policy, as well as the stimulation of socialist states' surpass theory and wave. These factors affected mutually, and promoted to generate the surpass thought.