The host is Liu Hongzhang. Curing too much medicine was a special class in the medical field in China feudal society, especially after the Ming Dynasty. Take the methods of starvation, diet therapy and careful use to ensure the health of the nobles. At the same time, it also avoids punishment such as dismissal and beheading due to poor prevention and control. Many emperors in China did not listen to the doctor's advice and died. Many nobles can live a healthy life, especially many concubines can live a long life, which has aroused great interest of many modern people. The Liu family is a descendant of Liu, a doctor in the Jin Dynasty in China, and also a descendant of Dr. Yongle in the Ming Dynasty. It is also a rare family of traditional Chinese medicine with a long history in China. Chun Liu's health preserving theory and "three-part rule and seven-part support" have always been the spoken language of Chinese people all over the world. It is also the theory of preventing and treating diseases.