This machine is suitable for thermal cutting and bag making of such printing and non-printed plastic films an BOPP.OPP and PE, etc. and it is a kind of ideal equipment for making sock bag, towel bag, bread bag and ornaments bag, etc. The complete machine adopts micro-computer to control and stepper motor to draw material(servomotor control system can be collocated) It fixes length randomly with step length Photo electricity tracking accurately and steady or when losing the aimed label ,the machine will stop automatically, It has the two-sided sticky tape to work automatically in step punch and count and can also establish the alarm of counting automatically. The lace sealed thermally and similarly the temperature regulated automatically make the final encapsulation firm and flat.