The product distributions of liquid isomerization of 2,10 epoxypinane in the presence of acid catalyst was studied.The influence of reaction temperature,reaction time and the amount of solvent on the isomerization were investigated.It is discovered that the isomerization of 2,10 epoxypinane produced mainly perilly alcohol and myrentol.Perilly alcohol can be obtained from isomerization of 2,10 epoxypinane catalyzed by NH 4NO 3 in CH 3NO 2 with 98 9% conversion and 88 1% selection.