To provide a method capable of efficiently manufacturing a handbag made of a plastic film for a disc-shaped article capable of housing the disc-shaped article while keeping the same horizontal and capable of easily housing and taking out the disc-shaped article.

The manufacturing method of the handbag 12 for the disc-shaped article includes a process (1) for forming a strip like film 3 having gusseted parts provided to both side edges and the central part of the upper surface thereof while transferring a tubular film, a process (2) for longitudinally cutting the strip like film 3 at the central part of the upper surface thereof, a process (3) for punching a finger hole by a punching blade 5, a process (4) for punching an almost circular notched hole by a punching blade 7, a process (5) for welding two upper surface films having gusseted parts provided thereto and one upper surface film in a truncated chevron shape and a process (6) for welding and cutting or fusion-cutting a bag body at every width thereof.