Dong-Yuan Li is a famous doctor in Jin and Yuan dynasty. He present a internal damage theory supplemented external contraction theory. He considers every qi come form spleen, and uses this concept to cure every disease. Many scholars think his specialties in prescriptions are using many kinds of medicines, using light prescription dose , using wind medicines and boosting qi. According related literature, the specialties are not identical with previous ones. Sphere in this reserch is according to two books written by Dong-Yuan Li, pi wei luen and nei wai shang bian huo luen. The materials are prescription containing wing medicines. The descriptive statistics is used in this research. The goal is to find out the regularities about these formulas.
Supplementing qi, bupleurum and rattletop are used with light dose. Harmonizing the stomach and instestines ,bupleurum is used with heavy dose. Clearing the heat in the stomach and instestines , rattletop is used with heavy dose. Resolving the external dampness, notopterygium root is used with light dose. Dispelling the internal dampness, notopterygium root is used with heavy dose. Notopterygium root usually appears with notopterygium gium incisum .Curing upper site, the total used dose is light and the dose ratio with wing medicines is height level. Curing lower site, the total used dose is heavy and the dose ratio with wing medicines is low level.
These research outcomes are explicit. We can use these outcomes to explain Dong-Yuan Li’s internal damage theory unequivocally and judge which interpretation is appropriate about these prescription. These result are additional remark and making previous explainations up.
