Product release chain conveying coating production line, including spray type pre-treatment equipment, moisture drying furnace, paint room, leveling room, paint drying furnace and product release chain conveying device, the spray type pre-treatment equipment, moisture drying furnace, paint room, leveling room and paint drying furnace through the product release chain conveying device connected in turn; The conveying unit in the accumulation chain conveying device passes through the spray-type pre-treatment equipment, water drying furnace, paint chamber, leveling chamber and paint drying furnace internally. The utility model provides the product chain transfer coating production line, through the use of the product chain conveyer will spray type pretreatment equipment, water drying furnace, spray paint room, flow chamber, paint drying oven connection, especially the product put in its chain conveyer conveying unit described by spray type pretreatment equipment, water drying furnace, spray paint room, flowing within the chamber and paint drying furnace, which will be able to produce The product is directly transported to the inside of each equipment through the product chain conveying device, which greatly reduces the number of product taking and putting, thus making the process mpler and the production efficiency higher.