China was a physician in the late Ming Dynasty. The date of birth and death is unknown, about16 ~17th century. The word sunflower is called witch doctor. Yinxian (now Ningbo, Zhejiang) people. Zhao Xianke is eager to know about the exhibition. In addition to medicine, he also dabbled in Confucianism, Buddhism and Taoism and traveled to Shanxi and Shaanxi. Influenced by the Book of Changes in philosophy and following Li Dongyuan and Xue Ji in medicine, it belongs to the school of warming and reinforcing. Zhao Xianke put forward that Mingmen is the master of a person, not the heart, and the fire and water of Mingmen are the yin and yang of a person.