Abstract: The Xi Jinping's Thought on Ecological Civilization not only innovates Marxist philosophy, but also develops Marxist Political Economy. This is mainly manifested in: proposing that the fundamental purpose of promoting ecological civilization construction is to meet the needs of the people for a better life, making Marxist Political Economy more people-oriented; Revealing that greenization implies new economic growth points and strengthens the connotation of "ecological economics" in Marxist Political Economy; Taking the ecological environment as a driving factor for the development of productivity goes beyond the traditional Marxist Political Economy theory of productivity; Linking the social value of natural resources such as mountains, waters, forests, fields, lakes, and grasses with human wealth, breaking through the traditional Marxist Political Economy values and wealth perspectives; Proposed the concept of green development and the new development outlook, and innovated the development mode theory of traditional Marxist Political Economy.