Zong Yin of Typhoid Fever - Zhang Zhi Cong

"伤寒论" is a seminal medical text written by Zhang Zhicun, compiled around 159 AD. As one of the most significant works in traditional Chinese medicine, it laid the foundation for the development of Chinese herbal medicine and integrated both traditional Chinese medicine theory and Anian's anatomical findings. The text consists of seven chapters, detailing theories on the etiology, pathogenesis, diagnosis, treatment principles, and conventional formulas for寒热 disorders. It holds a pivotal position in the history of Chinese medicine, influencing subsequent therapeutic practices and inspiring extensive research and clinical application.