Electrophoresis is the most important way to ensure the anti-rust performance of the vehicle in the automobile industry,its quality directly determines the vehicle function,so electrophoresis quality inspection is one of the most important work in the automobile painting synchronization project.However,there are many factors that affect the quality of car body electrophoresis.How to accurately predict the quality of car body electrophoresis by using digital car body models in the development stage of new models has always been a common problem in the field of car painting synchronization engineering.In recent years,with the development and progress of technology,some virtual verification technologies are increasingly mature and applied more and more,providing new ideas and solutions for comprehensively improving the verification accuracy of automobile body electrophoresis quality.