Abstract:Lycopene has extremely strong antioxidant properties，can be used as a food additive or health product to prevent chronic diseases in humans.Its extensive biological activity plays an important role in human health.This article reviewed the unique physicochemical properties of lycopene and the biological functions of antioxidation，hypolipidemic，anticancer and immunity enhancement，in order to provide a theoretical basis for the research and development of lycopene in health food.