Xi Jinping’s ecological civilization thought transcends modern western environmental philosophy, which is embodied in the two core theories of Xi Jinping’s ecological civilization thought:“community of life” and“Community with a shared future for mankind”. Specifically,“community of life”is mainly the theoretical cornerstone of Xi Jinping’s Thought on ecological civilization, which is a scientific answer to the“why”question of why environmental ethics is established.“Community with a shared future for mankind”points out the theoretical purpose of Xi Jinping’s ecological civilization thought and the important way to realize global ecological civilization.