PROBLEM TO BE SOLVED: To achieve a disposable diaper which can widely cover a hip part with an absorber while keeping to form the absorber corresponding to a crotch part in the form of a simple cup.SOLUTION: A pair of embossed lines formed by embossing processing from a skin side of an absorber 11 are provided on both side parts in a lateral direction of the absorber 11. The embossed line includes a projection part which is located in a center or on a side of a back side waistline part 30 with respect to the center in a longitudinal direction of a disposable diaper 1 in a central part of the disposable diaper 1 and projects inward in the lateral direction, and a back side line 56 which is linear or curved by bending outward by extending to the outside in the lateral direction and to the side of the back side waistline part in the longitudinal direction by using the projection part as a starting point.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT