According to the content of medical sage, Zhang Bozu sent Zhang Zhongjing down the mountain to stand on his own feet. His gift to Zhang Zhongjing was Tang Yejing. After he went down the mountain, he found Tang Yejing given to him by Zhang Bozu, and read this medical dictionary, which was also very enlightening.
Zhang Zhongjing was born in Nieyang County, Nanyang (now Zhangzhai Village, Gedong Town, dengzhou city City, Henan Province). A famous physician in the late Eastern Han Dynasty.