The work aims to develop a set of automatic packaging production line for ceramic welding backing, in order to reduce the enterprise production pressure and improve the production efficiency. Based on the physical properties of backing, the conveyor belt was used for separating and ascension to eliminate the multi-block overlap of ceramic welding backing. Pattern recognition technology was used to propose the shape recognition method for ceramic welding backing of eight postures on the conveyor belt. According to the principle of the roller plate line, the technological approach drawing a center line was put forward for ceramic welding backing set. 20 blocks of synclastic ceramic welding backing were arranged orderly and pasted on the base material, so that the automatic pasting of backing set was achieved. Based on the research of packaging technology for the ceramic welding backing, the technological approach of intricate shape and synclastic sorting is proposed.