Abstract: Establishing a national park system is a major institutional innovation in China's ecological civilization construction. China's national parks were born in the new era of ecological civilization, relying on the ancient and profound historical and cultural accumulation, rich natural resources, the special national condition of large population, and unique institutional framework. In the historical journey of realizing the great rejuvenation of the Chinese nation, China's national parks bear the cultural mission of inheriting the excellent traditional Chinese ecological culture of "harmony between man and nature", enhancing cultural confidence ecological civilization construction, and strengthening the awareness of the Chinese national ecological community with a shared future. This paper proposes practical paths to fulfilling the cultural mission of China's national parks: enriching national park construction concept, and constructing national parks in high quality; paying attention to the excavation and protection of national park culture; strengthening the popularization of science and education in national parks, and enhancing the awareness of the national ecological community with a shared future; expanding foreign exchanges, and providing models for global ecological civilization construction.