Abstract: Six compounds were isolated from Saussurea Medusa Maxim and identified by means of MS, 1H NMR, ¹³C NMR, UV, IRand chemical methods. They are: Ⅰ , Luteolin-7-O-a-L-rhamnopyra-nosyl-(1→2)-BBB-D-glucopyranoside; Ⅱ , Apigenin-7-O-a-L-rhamnopyranosyl-(1→2)-BBB-D-glucopy-ranoside; Ⅲ, Quercetin-3-O-BBB-D-glucopyranoside; Ⅳ, Apigenin; V, Luteolin; , Ⅵ Arctiin, respectively.The presence of compounds Ⅰ,Ⅱ,Ⅲ and Ⅳ in this genus are reported for the first time and are significant to chemical taxonomy.

Key words: Saussurea medusa Maxim, Plavonoids, Arctiin