Eight compounds were isolated from the aerial parts of Chuanminshen violaceum Sheh et Shan. Seven of them were elucidated as 4 hydroxymethyl 5 methoxycarbonylethyl 6 methoxy benzofuran 7 O β D glucoside(1), 6 methoxymellein(2), isopimpinellin(3), byakangelicin(4), oxypeucedanin hydrate(5), rutaretin(6) and rutin(7) by spectral evidence. Compound 1 is a novel 4,5,6,7 tetrasubstituted benzofuran compound isolated from natural origins and named chuanminshenoside.