The conditions for the book to be completed included the following: - ** Social background **: At the end of the Eastern Han Dynasty, there were frequent wars, epidemic diseases, and people's lives were difficult. This kind of social background promoted the development of medicine and also provided an opportunity for the writing of " Typhoid and Various Disease ". - [Medical Foundation: The compilation of " Various Various Typhoid " is closely related to the medical achievements of the previous generation.] When Zhang Zhongjing wrote this book, he referred to many medical classics such as Plain Questions, Nine Volume, Eighty-One Difficulties, Yin-Yang Theory, and Feilu Medicine Record, inheriting and developing the medical theories of his predecessors. - ** Personal factors **: Zhang Zhongjing was a medical scientist with rich clinical experience. In his long-term medical practice, he had accumulated rich experience in treating typhoid fever and other diseases. In addition, he also had a rigorous academic attitude and an innovative spirit, which allowed him to continuously explore and summarize on the basis of his predecessors. In the end, he completed the medical masterpiece," Typhoid Various Disease ". In short, the book was the result of many factors. Its appearance not only laid the foundation for the development of later generations of medicine, but also made an important contribution to the cause of human health. If you want to know more about the follow-up, click on the link and read it!