Research progress of melatonin in grapes in recent years was reviewed in this paper.Melatonin content in grapes of different varieties and developmental stages,the role of melatonin in the growth and development of grapes,stress response functions involved in saline,alkali,water,temperature and oxidative stress,mechanism of melatonin interacting with various plant hormones were mainly introduced,in order to provide a theoretical reference for the application and systematic study of melatonin in grapes.