Abstract: One new compound,3,5,7,8-tetrahydroxyl flavone 4'-O-α-L-rhamnopyranoside named rhodiolatuntoside(2),along with 7 known compounds,herbacetin-8-methyl ether(1),quercetin(3),rutin(4),tyrosol(5),salidoside(6),gallic acid(7) and β-sitosterol(8),which were firstly isolated from Rhodiola atuntsueneis,was structurally elucidated based on the spectral and chemical data.

Key words: Crassulaceae, Rhodiola atuntsuensis, Rhodiolatuntoside