Abstract: In order to find out the release behavior of pyrolytic products of β-ionol-glucoside in mainstream cigarette smoke, β-ionol-glucoside was synthesized and analyzed by Py-GC/MS, then the release behavior of the aromatic components in pyrolytic products in mainstream cigarette smoke were investigated by GC/MS. The results showed that:1) β-Ionol-glucoside generated many kinds of aromatic components during pyrolysis. 2) β-ionol, β-ionone and megastigmatriene effectively released during the combustion of the cigarette added with β-ionol-glucoside, and the delivery of megastigmatrienone increased as well. The release of characteristic aromatic components increased with the increase of addition rate of β-ionol-glucoside in cigarette. 3) The release of pyrolytic products of β-ionol-glucoside in mainstream cigarette smoke featured good stability and consistency.