三阳三阴辨证的层次探析

Levels of “Three Yin and Three Yang” syndrome differentiation

三阳三阴辨证是《伤寒论》辨证论治的方法与体系，是辨证纲领与论治原则。现代医家对三阳三阴辨证的层次多有阐发，常见有“阴阳两分”“聚类分析三步走”“一分为二”与“一分为三”“认症、识病、辨证三步走”等。笔者认为三阳三阴辨证主要分为辨证纲、辨证类、辨证型3个层次。加强辨证层次的研究有助于提高辨证的准确性。

“Three Yin and Three Yang” syndrome differentiation is a method and system generated from “Treatise on Febrile Diseases”. And it is a principle of syndrome differentiation and a criterion of treatment. Modern physicians give many descriptions on levels of “Three Yin and Three Yang” syndrome differentiation. There are a lot of different opinions on it, including “Yin and Yang”, ”three steps of Cluster analysis”, “one divided into two” combining with “one divided into three”, and “three steps of recognizing symptom, understanding disease and differentiating syndrome” theories. The author believes “Three Yin and Three Yang”syndrome differentiation consists of three levels：differentiating syndrome principle, differentiating syndrome category and differentiating syndrome type. Strengthening research on levels of syndrome differentiation helps to improve accuracy of syndrome differentiation, guide drug description and enhance clinical efficacy.