This machine is suitable for making barrel-type plastic vest bags of natural colour-printed bound plastic vest bags. It adopts advanced photoelectric eyes tracking which makes the printing pattern position be accurate without error, the sealing synchronize with the heat-cutting without any pulling force and the sealed bottom be firm and beautiful. Equipped with variable frequency speed regulating motor, it has many automatic protection functions such as energy-saving, over-load overvoitage and overcurrent etc. And equipped with automatic counting device, it can arbitrarily set the binding quantity and can automatically discharge and reset after the bagsare piled to the set quantity.