Palmul-tang, a traditional herbal medicine, is composed of eight herbs (Ginseng radix, Glycyrrhizae radix, Hoelen, Atractylodis rhizoma, Angelicae gigantis radix, Cnidii rhizoma, Paeoniae radix and Rehmanniae radix) and exhibits various bioactivities, including antiallergic and antitumor effects. In this study, an effective, reliable and accurate high-performance liquid chromatography method ha...