Shenjufencilu (SFL) is a liniment prepared from Dedsnthema mordelium,Angelica dahurica,Sophora fiavescens,Dictamnus dasycarpus and a mumber of other herbal midicines for the treatment of puberal acne.The presence of the above four contituents was identified by TLC and the content of matrine,the active principle from Sophora fiavescens was determined quantitatively by TLC scanning,to establish the quality standard of SFL. The methods were simple,sensitive,reproducible and accurate