Xi Jinping’s important exposition on Life Community is an important part of Xi Jinping’s Thought of Ecological Civilization, and it is a highly condensed and concentrated expression of the theory and practice of the construction of socialist ecological civilization. The “Life Community” expounded by Xi Jinping mainly includes three aspects: “a life community with natural internal checks and balances”, “a life community of harmonious coexistence between human beings and nature ” and “a life community with a shared future for mankind”. The specific connotation means all in the natural world such as animals, mountains, rivers, forests, fields, lakes, and grasses should be included in the protection objects of the life community, so as to form a life community of harmonious coexistence between human beings and nature. In this way, the life community with a shared future for mankind can seek common solutions for ecological governance. Xi Jinping’s important exposition on Life Community is the ideological core of the discourse right in the building of socialist ecological civilization with Chinese characteristics. It is the political mobilization of all parties to build a beautiful China and realize great rejuvenation of Chinese nation. It is the ecological wisdom of leading people of all countries towards a community with a shared future for mankind.