"Wu shan qi e"(five symptoms with good prognosis and seven with poor prognosis)is a theory used to determine the prognosis of external diseases in traditional Chinese medicine which have been mentioned in many ancient Chinese medicine books and have been valued by external doctors throughout history. However, it has been rarely discussed in modern literature. The theory were first seen in the Taiping Shenghui Fang, and the idea was originated from Ni Shun in Lingshu Yuban."Wu shan qi e"have evolved into many variants through the exertion of medical practitioners throughout history. By reviewing medical books of previous dynasties, it was found that there are two main versions: the Taiping Shenghui Fang version and its derivative versions, and the Waike Zhengzong version and its derivative versions.
五善七恶是一种判断中医外科疾病预后的理论，被诸多中医古籍提及，为历代外科医家重视，但现代文献对其论述较少。五善七恶首见于《太平圣惠方》，其理论源自《灵枢·玉版》中的“逆顺”。五善七恶经过历代医家的发挥，衍生出诸多变体。通过梳理历代医籍对五善七恶的记载，发现主要版本有两大类：一是《太平圣惠方》版及其衍生版（痘疹五善七恶、五善七恶救援法等）；二是《外科正宗》版及其衍生版。.