By the Tang Dynasty, acupuncture had occupied a considerable position in health care. For example, in Forward Fang Yao, many materials used for acupuncture and moxibustion health care are discussed. Wang Zhizhong's Classic of Acupuncture and Moxibustion in Song Dynasty recorded that acupuncture was used to prevent many diseases, such as pricking and purging the air door without carbuncle. Doctors in the Ming Dynasty also advocated acupuncture and moxibustion for health care. Gao Wu said in "Acupuncture gathers English": "Those who are not ill, acupuncture rebelled first, and those who did not arrive welcomed them." Inverse, that is, the meaning of disease prevention. In the Qing Dynasty, Pan also expounded the health care function of acupuncture in his book Hygiene Requirements. He said: "People's viscera, meridians, qi and blood, muscles are not careful every day, and external evils are dry, which leads to illness. In ancient times, acupuncture was the foundation ... so benefiting joints, benefiting qi and blood, so that evil can be quickly removed, evil can be removed from self-healing, and diseases can be cured. "