Tang Zong-hai (1846～1897), courtesy name Rongchuan. A native of Peng County, Sichuan. In the fifteenth year of Guangxu (1889), he was ranked 35th among the top three in the imperial examinations and was awarded the title of Director of the Ceremony Department. In the early years, people with Down syndrome had advanced medical skills and practiced medicine as their profession. Later, he moved to Beijing, Shanghai, Guangdong and other places. In his later years, he returned to his hometown and died in Peng County.

Tang Zong-hai specializes in internal medicine, and has an in-depth research on various bleeding diseases. In terms of specific measures, he proposed the four methods of stopping bleeding, eliminating blood stasis, calming blood, and replenishing blood, which enriched and developed the qi and blood theory of Chinese medicine and opened up new ways for future generations to treat bleeding syndromes. Tang Zong-hai tried to integrate Chinese and Western medical theories, "There are no differences or differences across borders, but we seek compromise and unity." Tang Zhuhai's works include Xiezheng Lun in 8 volumes (1864), "The Essence of Chinese and Western Medical Classics" (also known as "Chinese and Western Medical Judgments", "Chinese and Western Medical Interpretations", "Chinese and Western Yixue Rumen" 2 volumes (1892), Bencao Wenda 2 volumes, Shanghanlun Qianzhu supplements and corrections" 7 volumes, Jingui Yaolue shallow notes and corrections" 9 volumes, these five books are collectively called "Ten Thousand Types of Chinese and Western Medical Books". Regarding the "Huitong Medical Books", there is a comment in the "Tongkao of Qing Dynasty Xuwen": "Modern doctors, those who like new things tend to be more Western, and those who eat muddy things tend to be more Western. Among them, the two did not integrate Chinese and foreign books, and they were so eclectic...Tang's inspiration, he studied Qin's thoughts carefully, and wrote these five books.