Abstract: The idea of a harmonious ecosystem in scientific concept of development is an integrated reflection of ontology，methodology，and values of ecology philosophy and the ethics of ecological harmony.The scientific concept of development inherits the vital core of Chinese traditional ecovalues and excels it.According to the scientific concept，man and nature are an integrated system，the harmonized development of which can be achieved by respecting man and at the same time protecting nature.This concept discards false ideas in both anthropocentrism and ecocentrism，and thus point out the direction of China′s development.

Key words: the scientific concept of development, ecological ethics, harmonized development, man and nature, philosophical thoughts