In order to make up antiseptic property,the anti-rust paint is usually used to spray on car body when its electro-deposition coat is worn out.However the adhesive force has close connection with some factors such as steel,top coating materials and anti-rust paint materials.Meanwhile,it is found that some specific colored paint films have the risk of peeling off caused by anti-rust paint mists.In addition,therers no need to cover paint for some interior parts,as a result the defect of color difference would come out if anti-rust paint is sprayed on these areasdue to the different color between the two materials.Finally,the article systematically analyzes above-mentioned problems,then points out targeted solutions.