Abstract: Xi Jinping's important exposition on “Human and Nature are the Life Community” provides a guiding theory for the concrete practice of ecological civilization construction in China. Life community is the inevitable pattern of ecological civilization in the development process of human history， and is the inevitable result of the development of the monetary community and community of free individuals. Freedom is the core value of the life community， and the free state between human and nature is the indispensable content of human freedom and overall development. Harmonious coexistence is the ethical principle of life community， and the modernization of the socialism with Chinese characteristics is the modernization of harmonious coexistence between human and nature， thus the Chinese modernization construction must shoulder the ethical responsibility of restoration of ecology， conservation of nature and environmental construction. The thought of “Human and Nature are the Life Community” has been implemented in the specific policies and measures of ecological civilization， and it has achieved notable results.

Key words: the life community, freedom, harmonious coexistence, ecological civilization