Car coating technology with its highly automated and modernization has become one of the major automotive manufacturing process, the universal attention. The paper introduces the development of automobile coating technology and development direction, automobile coating automobile coatings at home and abroad, discussed the development condition, the development trends of coating, and the development of China's automobile coatings are the whole process of car coating technology, expounds before painting processing technology, spraying method, drying technology and other modern general method, and discusses the car coating, some new techniques, new results, analysis, and combining with actual automobile coating process of advanced technology application, the author puts forward some Suggestions.