PROBLEM TO BE SOLVED: To provide a device and method for manufacturing absorbent articles, by which a plurality of kinds of absorbent articles with different print patterns can be manufactured in the unit of small lots.SOLUTION: A paper diaper manufacturing device 2 for manufacturing a paper diaper which includes a top sheet provided to a human body touching face side and a back sheet provided to the opposite side of the human body touching face and on which a pattern visible from outside is applied to the back sheet, is provided with an ink jet printer 300 for printing the pattern on a pattern forming area for forming the pattern on the back sheet by discharging ink while moving printer heads 310, in a state that a structure having a function as the paper diaper is fixed.
