Automatic case erector can complete the process of carton erecting, vertical forming, bottom flaps folding and bottom tape sealing. The unfolding cartons on carton storage are sucked out and meanwhile formed , then folding the flaps and finally finishing bottom tape sealing. The machine adopts P.LC + touch screen control. It also has an alarm when there is lack of stuff, it will automatically stop when there is no stuff, which makes the operation and management more convenient and safer, and largely reduce the intensity of labor. It is an indispensable equipment for automation production.