目的研究红母鸡草的生药鉴别特征。方法对药材进行性状鉴别、显微鉴别。结果红母鸡草根的皮层较窄,可见大量方晶;茎的皮层、韧皮部、髓部可见大量方晶和柱晶,皮层厚角组织成环;叶主脉维管束外韧形,薄壁细胞中亦可见方晶。结论所做研究可为红母鸡草药材的鉴别研究和开发利用提供参考依据。 Objective To study the identification of crude drugs in red hen grass. Methods Identification of medicinal properties, microscopic identification. Results The cortex of red hen grass roots was narrow and a large amount of crystal was visible. The cortex, phloem and marrow in the stems showed a large amount of crystal and columnar crystals, In the square can also be seen. Conclusion The research can provide reference for the identification, research and development of red hen herbs.