《伤寒论》将复杂的外感热病系统地归纳为以六经为纲,脉证并治的辨证施治方法,既源于《内经》,又发展了《内经》。其中重视问诊,突出以证候归类的鉴别诊断法,为临床医学开辟了广阔的思路和方法。现就《伤寒论》中一些症候鉴别的要点应用于中西医结合方面,试作如下探讨。一辨寒热《伤寒论》所讨论对象为外感热病,寒热是六经病证共有的症状。对寒热之有无或相兼 “Treatise on Febrile Diseases” systematically summed up the complex exogenous fever as a method of dialectical treatment based on the Six Classics and the syndrome of veins and syndromes, which originated from the “Neijing” and the “Neijing.” Which pays attention to the diagnosis and treatment, and highlights the differential diagnosis of syndromes, which has opened up broad ideas and methods for clinical medicine. The points on the identification of some symptoms in “Treatise on Febrile Diseases” are applied to the integration of traditional Chinese and western medicines. The trial is discussed as follows. The object of discussion in the Cold and Heat “Treatise on Febrile Diseases” is an exogenous fever. Cold and heat are the symptoms common to the six syndromes. The presence or absence of cold and heat