目的对大花龙胆进行生药学鉴别。方法采用性状鉴别、显微鉴别、理化鉴别等方法。结果与结论找出了其药材性状、组织构造上的主要鉴别特征,建立了薄层色谱鉴别方法,并拟订了水分、总灰分及酸不溶性灰分的限量标准,可为大花龙胆药材的鉴别及质量标准的制订提供依据。 Objective To identify the medicinal herbs of Gentianaceae. Methods traits identification, microscopic identification, physical and chemical identification and other methods. RESULTS AND CONCLUSIONS The main distinguishing features of medicinal properties and tissue structure were found out. The identification methods of TLC were established and the limits of moisture, total ash and acid-insoluble ash were established, which could be used to identify the medicinal materials And quality standards to provide the basis for the formulation.