Solid material packaging automation is generally divided into semi-automatic packaging machine and automatic packaging machine. Automatic packaging machine is mainly used in food, medicine, chemical industry and other industries as well as automatic packaging of plant seeds. The material can be granule, tablet, liquid, powder, paste and other forms. The automatic packaging machine has the functions of automatic measurement, filling, bag making, sealing, cutting, conveying, printing production batch number, adding easy incision, no material warning, mixing, etc.