Abstract: The theory of sustainable development of human being is the product of an intensive study of the relationship between the development of traditional economy and the development of ecological ethics.The limitation of the conception of sustainable development lies in the lack of a deeper understanding of man himself.Man's sustainable development is the essence of development ethics.Therefore,the main task of development ethics is to solve the problem of sustainable development of human being.

Key words: development ethics, sustainable development, sustainable development of human being