辨证论治是祖国医学最基本的诊疗疾病的方法。它贯穿于临床各科,有效的指导着各科的医疗实践。这种诊疗疾病的方法,是在朴素的辩证法思想——阴阳学说的指导下,通过长时间的临床实践所逐步建立起来的。它把脏象、经络、气血、津液、病因、病机等祖国医学的基本理论和方药、针灸等与临床实际紧密地结合起来,早在公元二、三世纪期间就逐渐形成以八纲 Differential diagnosis and treatment is the most basic method of diagnosis and treatment of diseases in the motherland medicine. It runs through various clinical disciplines and effectively guides the medical practice of all subjects. This method of diagnosis and treatment of diseases is gradually established through long-term clinical practice under the guidance of simple dialectical thinking, the theory of yin and yang. It closely integrates the basic theories of traditional Chinese medicine such as dirty elephants, meridians, qi and blood, body fluids, causes, and pathogenesis, and prescriptions, acupuncture and moxibustion, and clinical practice. It gradually formed eight classes as early as the second and third centuries AD.