As customers have higher and higher requirements for product surface quality,automobile coating drying process has become an indispensable important process of coating production line,drying and conveying equipment is also one of the key equipment of coating production line,occupies an important position.In this paper,the type,spatial layout and structural characteristics of the three kinds of conveyor in the drying furnace and the core content of the super long drying conveyor were analyzed in detail,so as to provide a more reasonable,optimized and reliable design scheme for the design and selection of coating drying conveyor line.