Ma Zhenhua: currently, public information is limited, and details of his life, such as dates of birth and death, place of origin, and professional career, have not been clearly recorded. The library holds one work by him, a medical book titled Yi Wu (Understanding Medicine). Judging from the title and its classification, the book appears to be a discussion of traditional medicine, possibly a record of the author's study of medical theory and clinical observations, reflecting his thinking on and summary of medical questions. Owing to limited sources, it is difficult to know in detail his academic background and the circumstances of writing, nor can the date of completion and circulation of the book be ascertained. Based on the available information alone, Ma Zhenhua comes to readers' attention through Yi Wu, and his writing focuses on the experience and exposition of medical theory, presumably in a practical and concise style, suitable for readers interested in traditional medicine. It is hoped that more public information will become available in the future to fill out the full picture of his life and writings.