The invention relates to a production line for automatic splicing of an intelligent closestool. The production line comprises a conveying system, a splicing system and a mud coating system. The conveying system comprises a first conveying line, a second conveying line and a third conveying line. A rotary splicing table is arranged between the first conveying line and the second conveying line, andsecond conveying line is located on one side of the rotary splicing table. A position sensor and a stopper are mounted at the first position and the second position, away from the tail end of the conveying line, of the first conveying line correspondingly and a position sensor and a stopper are mounted at the first position and the second position, away from the tail end of the conveying line, ofthe second conveying line correspondingly. The mud coating system comprises a mud coating device, and a visual detecting system installed at the end of the mud coating device. The visual detecting system transmits detected position information to a control cabinet. The splicing system including the splicing device, a set blank picking and turnover device and a blank picking device is arrange donthe inner side of the first conveying line and inner side of the second conveying line. According to the production line, mechanical operation of conveying, product quality detection, blank splicing and the like is achieved, continuous work can be achieved, the production efficiency and quality are improved, and the labor intensity of workers is reduced.