Provided is a disposable diaper which can be prevented from being soiled until worn. A disposable diaper (10) is folded by folding a crotch region (13) in two such that the inner surface (16) of a front waist region (11) and the inner surface (16) of a rear waist region (12) overlap, and the disposable diaper (10) has a temporary joining region (60) formed outside<；b/>；the peripheral edge of an absorption body and partially separably joining the overlapping inner surfaces (16).
