Abstract: Xi Jinping Thought on Ecological Civilization is rich in connotation and profound in heritage, shining with the light of philosophical wisdom. Xi Jinping Thought on Ecological Civilization adheres to materialist monism and accurately captures the problem of unbalanced and inadequate development in this specific historical stage of “after development”. Adhering to the systematic thinking of dialectical unity, it embodies the systematic idea of “harmonious coexistence between man and nature”. It grasps the law of the movement of basic social contradictions and effectively consolidates the institutional foundation of ecological risk governance. Adhering to the value of putting the people first, it continues to improve people’s well-being in improving people’s livelihood. An in-depth explanation of the philosophical connotation of Xi Jinping Thought on Ecological Civilization is conducive to promoting all-round and systematic research on this important idea, as well as promoting the formation of a green mode of production and lifestyle, promoting the construction of a beautiful China, and realizing the sustainable development of the Chinese nation.