Sun Simiao (541-682) was a famous doctor and Taoist celebrity in the Tang Dynasty. Jingzhao Huayuan (now Yaoxian County, Shaanxi Province) was born. He went to school at the age of seven and recited more than 1000 words every day. When I was young, I was good at talking about Laozi, Zhuangzi and a hundred schools of thought contending, and I was good at Taoism. After a long period of seclusion, he practiced medicine in Zhong Nanshan. Emperor Taizong and Tang Gaozong recruited him to be an official in Beijing several times, but they all declined politely. He devoted his life to mountains and Tao. Lived 14 1 year. According to legend, he is good at counting yin and yang, and God should be incompetent. He combined the Taoist theory of health preservation with medicine, and thought that if people live a long life, they must pay attention to diet and daily life, restrain their emotions and maintain their health, guide the circulation of qi, and take medicine to replenish their health. He extensively collected folk prescriptions and secret recipes, summarized medical theories and practices before the Tang Dynasty, and classified them, making great contributions to medicine and medicine, so he was honored as the "king of medicine" by later generations. His works are many, mainly including Thousand Women, Thousand Women's Wings, On Health, etc. In the second year of Chongning in the Northern Song Dynasty (1 103), posthumous title "brilliantly responded to the real person". There are many secluded places in Sun Simiao's life. It is said that he once lived in seclusion in Wutai Mountain. In memory of him, later generations called Wutai Mountain Wang Yaoshan. Lu Zeng, one of the "four outstanding figures" in the early Tang Dynasty, commented: "Taoism is a combination of ancient and modern, so you should learn to play and count. If the theory is one, then the ancient times were covered by Zhuangzi; Go deep and maintain your ears today. It pushes A and B, and the amount is dry, then Charlotte Hong is also proud of An Qisheng. " At the end of Ming Dynasty and the beginning of Qing Dynasty, there was "The Book of Loyalty and Filial Piety for the King of Medicine", which told the story that Sun Simiao saved the white snake and later became the king of medicine.