Seven compounds,24-methylenecycloartenol(1),cycloartenol(2),lupeol(3),19-Norlanost-5-en-3-ol(4),24-methylenelanost-9(11)-en-3β-ol(5),4-methyl-cholesta-7-ene-3β-ol(6)and Phytol(7),were isolated from the methanol extract of Acanthus ilicifolius.Their structures were identified by spectroscopic evidence and comparison of the data with those of the literatures.Compounds 4~6 were isolated from the plant for the first time.