Popular science books are books that aim to spread scientific knowledge and methods to the public. They usually include various topics such as astronomy, physics, chemistry, biology, computer science, etc. The purpose of popular science books was to let readers understand and explore the frontiers and hot issues of modern science, and to improve their scientific literacy and scientific thinking ability. Popular science books often use easy-to-understand language, diagrams, images, and other visual elements to better explain scientific knowledge to attract readers 'interest and help them better understand scientific concepts. In addition, popular science books often contained some practical skills and knowledge, such as how to make chemical experiments, how to maintain electronic equipment, etc., to help readers better apply scientific knowledge in their daily lives. Popular science books play an important role in science education, helping the public better understand science and scientific methods, and promoting the popularity and promotion of scientific culture.