Science popularization serves as a crucial foundation for achieving national self-reliance and strength in high-level science and technology，accelerating the formation of new productive forces，and supporting the modernization of China to realize the great cause of building a strong nation and national rejuvenation. The core essence of Xi Jinping’s important discourses on science popularization encompasses four key aspects：placing science popularization on an equally important footing as scientific and technological innovation；strengthening national science popularization capacity and implementing comprehensive actions to enhance public scientific literacy；and promoting the improvement of public scientific literacy to continuously contribute to achieving high-level scientific and technological self-reliance and advancing Chinese modernization；intensifying modern civilization education and science popularization efforts for youth. The methodology embedded in Xi Jinping’s important discourses on science popularization includes upholding the people-centered approach，maintaining self-confidence and self-reliance，adhering to integrity and innovation，adopting a problem-oriented mindset，embracing a systemic perspective，and fostering a global vision. The contemporary value of Xi Jinping’s discourses on science popularization is reflected in its expansion and deepening of the Marxist view on science and technology，enriching the spiritual connotation of science popularization，and providing new perspectives for international science popularization exchange and cooperation. Moreover，it provides robust support for promoting the coordinated development of scientific innovation and popularization，strengthening national science popularization capacity，enhancing public scientific literacy，and focusing on youth science education.

science popularization  /  scientific and technological innovation  /  science popularization capacity  /  scientific literacy  /  science popularization education