Popular science books are an important medium for science popularization, and quality popular science books can promote the dissemination and sharing of scientific knowledge. As a category of popular science books, translated works have great significance and value in the development of China's popular science initiatives. High-quality translations not only enrich China's popular science book market, but also provide readers with a popular science reading experience that is in line with the world. This article, in conjunction with the "four characteristics" of popular science books—scientific accuracy, literary quality, appeal, and accessibility—draws from the translation theory of "functional equivalence". By selecting cases from works that have won the 6th and 7th "China Science Writers Association Award for Outstanding Popular Science Works", the article discusses what translation methods should be adopted for English popular science books to meet the corresponding characteristics in Chinese, thereby preserving the "original flavor" of the translations and enhancing the readability and effective dissemination of popular science books that were introduced in English.