People call some traditional Chinese medicine stores with a long history "So-and-so Tang Pharmacy" such as "Tongrentang" and Jiuzhitang. "Ah, which doctor are they commemorating?

According to legend, it was in memory of Zhang Zhongjing.

Zhang Zhongjing (150-219 AD), a great medical scientist in ancient times, was a native of Nanyang County in the Eastern Han Dynasty. Lian, who lived in Changsha during the Jian'an period, wrote 16 volumes of "Treatise on Febrile Diseases and Miscellaneous Diseases", which was the world's first clinical medical work that integrated theoretical methods and prescriptions, pioneering dialectical treatment and creating a clinical medicine of traditional Chinese medicine. Since the Tang Dynasty, Zhongjing's theory has spread all over the world and enjoys a high reputation in the international medical community. People in Japan, Korea and other countries call him the "foreign teacher" of medicine, and the people of the motherland call him the "Medical Sage". There is a saying that "Zhongjing is the sect of medicine and Confucius is the sect of Confucianism". Zhang Zhongjing lived in an era where wars were frequent and epidemics were prevalent. It is said that Zhang Zhongjing practiced medicine in the hall during his tenure as an official, so that later generations of doctors could commemorate this "medical sage". ", so he called the medical store "So-and-so Hall".