化学成分罗汉松种子含罗汉松内酯(inumakilakilacrtone)A、B、C、D、E及罗汉松内酯A葡萄糖甙(inumakilactone A gluco-side),竹柏内酯(nagilactone)C、F。花粉中含24(ζ)-胆甾-5烯-3β,26-二醇[24(ζ)-cholest-5-ene-3β,26-diol],24(ζ)-乙基-25(ζ)-胆甾-5-烯-3β,26-二醇[24(ζ)-ethyl-25(ζ)-cholest-5-ene-3β,26-diol]、对香酸(p-coumaric acid)、芹菜素(apignenim)、穗花杉双黄酮(amentoflavone)。