Ultraviolet(UV) curing coating is a type of environmental and energy-saving coating based on the radiation curing technology.Compared with traditional coatings,photo-curing coating has many advantages such as energy conservation,high efficiency and excellent properties.Radiation curing technology has been developing rapidly in recent years.UV-curing coating composition,latest research achievements and characterization methods for detecting the performance of coating are introduced.The developing direction of coatings in the future is discussed as well.