[Problem] To increase ventilation in an area where a tuck is formed in a disposable diaper separated into a front panel outer body, a rear panel outer body, and an absorbent body. [Solution] A disposable diaper equipped with a front panel outer body (10), a rear panel outer body (20), and an absorbent body (30), wherein: the absorbent body (30) is connected, via a connecting part (40) having a peak fold and a valley fold that extend in the widthwise direction of the disposable diaper, to the front panel outer body (10) and/or the rear panel outer body (20)； and the connecting part (40) has a pattern (49) printed thereon.
