Disclosed are a method for manufacturing a diaper, which comprises a step for attaching a liquid absorbent panel to two separated sheets, and by which manufacturing space can be reduced, and a pull-up diaper, a taping diaper, or a refastenable pull-up diaper, which is manufactured by the method for manufacturing the diaper. Specifically disclosed is a method for manufacturing a diaper, which includes: a sheet parallel step (S2) for running a first sheet and a second sheet adjacently to and in parallel to each other a sheet bridging step (S3) for bridging a stretchable third sheet between the first sheet and the second sheet a sheet stretching step (S4) for stretching the third sheet by extending the distance between the first sheet and the second sheet so as to run the first sheet and the second sheet and a liquid absorbent panel attaching step (S5) for attaching the liquid absorbent panel to the stretched third sheet.
