This article has briefly described the situation of auto refinish coatings in the mainland of China.Usages of CAB in several layers, such as base-coat, mentallic coat. top coat were described.

• 简述了中国大陆汽车修补漆现状,介绍了醋酸丁酸纤维素(CAB)在汽车修补漆中的应用。