Methods:TLC method was used to identify Radix Scutellariae, Cortex Phellodendri, Catechu and Bomeolum Syntheticum.Results:The methods were reliable, specific and reproducible.

• 方法:采用薄层层析法,对样品中黄芩、黄柏、儿茶和冰片进行了鉴别。