The system can realize the automatic palletizing function of various finished bags. It consists of a finished product conveying and arrangement subsystem, a robot gripping subsystem, a pallet conveying subsystem, a security protection subsystem, and an informationization and automation control system. It has characters of high customization and flexibility and can meet the palletizing requirements for different stacking patterns and production capacities. The robot can achieve the simultaneous production of three different products.