Abstract: This paper discusses three questions from philosophy perspectives: (1) What is the ecological civilization? (2) What is the role of ecological civilization? (3) What is the Chinese ecological civilization? Ecological civilization is the accurate recognition and reflection of the relations between humans and nature, which is based on the fundamental problem of philosophy. Ecological civilization is certainly baked into human's conception of philosophy, history, nature and value. The main role is to indicate the formation and implementation of the theory, thinking and institution of ecological civilization. Ecological civilization is the basic guarantee to achieve the sustainable development of the Chinese Nation and Beautiful China.