From the Paeoniae Radix, gallic acid methyl ester, (+)-catechin, paconiflorin, albiflorin, paeonol, ${eta}-sitosterol$ and campesterol, benzoic acid, oleanolic acid, hederagenin and ${eta}-sitosterol$ 3-O-glucoside were isolated and characterized by means of spectral data. Oleanolic acid and hederagenin have been isolated for the first time from the genus Paeonia.