This paper describes a good method (TLC)by reference drugs (Creeping Euphorbia,Catechu) and chemical reference substances (catechin), The reproducibility and specialization of the TLCmethod is good.

• 本文中采用薄层色谱法,用对照药材地锦草,儿茶和对照品没食子酸,儿茶素,芍药苷作对照分别对其中的地锦草,儿茶,白芍进行鉴别。