In the new era of socialism with Chinese characteristics, General Secretary Xi Jinping, in his profound understanding and systematic elaboration of the themes of the construction of a beautiful China, the pursuit of harmonious coexistence between man and nature, and the global co-construction of ecological civilization, put forward the basic concept of “a community of life” and applied it to various development fields of socialism with Chinese characteristics, becoming the concept of a community of life in the new era.The concept of acommunity of life in the new era is the organic unity of “a community of natural life ”, “a community of human and natural life ” and “a community of earth life ”, which not only shows rich and profound ideological logic, but also has clear practical enlightenment.In terms of ideological logic, the concept of a community of life in the new era contains the essence of life community relationship of “harmonious coexistence of all natural things”, life community relationship of “harmonious coexistence between man and nature”, and the pursuit of “ a community of life” on a global scale. It is an upright innovation of the Marxist view of natural history and the excellent traditional Chinese ecological culture, reflecting the profound understanding of the universality of the connection between all natural things, the latest interpretation of the inseparable relationship between man and nature, and the advanced concept of a community with a shared future for mankind.In terms of practical enlightenment, the concept of a community of life in the new era highlights the value orientation of systematic and holistic ecological governance, harmonious and symbiotic ecological environmental responsibility, and international ecological justice concept of co-construction and sharing, and enlightens us to carry out systematic ecological governance practice, carry out harmonious and symbiotic environmental ethics cultivation, and adhere to the international ecological justice principle of co-construction and sharing.