Abstract: The modernization of harmonious coexistence between humans and nature is the internal requirement of Chinese modernization. The ecological concept of Chinese modernization contains rich internal mechanisms. It reflects the essence of Marxist ecological concept and excellent traditional Chinese culture, and highlights the close relationship between the ecological concept of Chinese modernization, ecological civilization construction, and Chinese modernization, providing guidance for socialist modernization with Chinese characteristics. At the same time, the ecological concept of Chinese modernization states a new example of harmonious coexistence between humans and nature, depicts a sustainable blueprint for modernization under the leadership of the Communist Party of China (CPC), and contributes Chinese wisdom and Chinese programs applicable to the world. In order to further strengthen the process of ecological civilization construction of Chinese modernization, the CPC must lead the people to accelerate the "two combinations", strengthen the boundary delineation and exchange and mutual learning with the Western ecological modernization path, improve people's modern ecological awareness and power, and give Chinese modernization the practical power of ecological civilization construction.