About the author: Zhen Quan was born in the seventh year of Liang Datong in the Southern Dynasties (54 1) and died in the seventeenth year of Zhenguan in the Tang Dynasty (643), from Fugou, Xuzhou (now Fugou, Henan). He and his younger brother Zhen Liyan became famous doctors because of his mother's illness. Zhenquan has a profound knowledge of acupuncture and is also good at treating diseases with medicine. I have been practicing medicine all my life, and there are many people alive: I worked as a secretary in the early days of Emperor Kai of Sui Dynasty (58 1), and later resigned due to illness. Zhen Quantong's "Health Preservation" puts forward that expelling the old and absorbing the new can clear lung qi, which is an effective method to strengthen the body and prolong life. And advocate that diet doesn't have to be sweet. In the seventeenth year of Zhenguan (643), Li Shimin, Emperor Taizong, visited his home to investigate the medicinal properties and health preservation methods. See him in the morning and dress him with a longevity stick. At the end of that year. Zhen Shi wrote many works in his life, including a volume of Tang Ming Characters. There are three volumes of acupuncture money, one volume of acupuncture prescription, one volume of pulse prescription, and four volumes of medicinal properties. These works have all been lost, and some of their contents can be found in works that have a certain influence on later generations, such as Prepare for Urgency, Prepare for a Thousand Daughters, Prepare for a Thousand Daughters, and Secrets of Foreign Taiwan Province.