Abstract: Resveratrol is a kind of important phytoalexin that has many functions for health and medical treatments, so its extensive application prospect has already caused attention in many ways. Resveratrol synthase is an exclusive necessary enzyme in the pathway of resveratrol biosynthesis, which catalyzes one molecule of 4-coumaroyl-CoA and three molecules of malonyl-CoA into resveratrol.The research about it has extensively developed. This article give some discuss ion in the fields of pharmacologic activity of resveratrol, and zymological char acter, pathway and mechanism of induction, molecular biology of resveratrol synthase.