Discussion on the tiangui and the theory of reproduction of traditional Chinese medicine
Tiangui was an important concept in traditional Chinese medicine (TCM).It was a kind of substance related to growth,development and reproduction.It was put forward in Inner Cannon ofHuangdi inaddition to qi,blood and fluid in human body.Based on the retrospection of the literatures in recent years,the relationship between tiangui and TCM was discussed from the aspects of nature,physiology,characteristics,function and abnormal function,diagnosis and treatment of tiangui.It was believed that tiangui was a unity of matter and function.It had the function of stimulating,promoting and maintaining human reproductive.It also had an important influence on normal physiology,prenatal and postnatal care and health.It was suggested that the study of tiangui essence should be combined with modern research,which would play a positive role in the TCM study of genesiology,genetics,physiology,eugenics and health.