An object of the present invention is to provide a disposable diaper in which the adhesion of a sweat absorbing material to the skin is improved. A disposable diaper including a front body (10F), a back body (10R), and an absorbent body (16) having an absorber (18) whose end region in the front-rear direction extends over the front body (10F) and the back body (10R). 10 and a pocket 21 on the back body 10R, which is in contact with the skin, having an opening end 21A on the side of the waist opening 10A and capable of accommodating a sweat absorbing material 23； It does not overlap with the side end 18X and is located closer to the waist opening 10A than the back end 18X. The waist length L1 of the pocket 21 is equal to or wider than the waist length L2 of the back end 18X. The opening end 21A is located closer to the back end 18X than the waist opening 10A. [Selection diagram] FIG.【課題】吸汗材の肌に対する密着性を向上させた使い捨ておむつを提供することを目的とする。【解決手段】前身頃１０Ｆと、後身頃１０Ｒと、前後方向における端部領域が前身頃１０Ｆおよび後身頃１０Ｒとに跨って位置する吸収体１８を備えた吸収性本体１６とを備えた使い捨ておむつ１０であって、後身頃１０Ｒにおける肌と接する面において、胴周り開口部１０Ａ側を開口端２１Ａとし、吸汗材２３を収容可能としたポケット２１とを備え、ポケット２１は、吸収体１８の背側端部１８Ｘと重ならず、背側端部１８Ｘよりも胴周り開口部１０Ａの近くに位置する。ポケット２１の胴周り方向の長さＬ１は、背側端部１８Ｘにおける胴周り方向の長さＬ２と同じまたは広い。開口端２１Ａは、胴周り開口部１０Ａよりも背側端部１８Ｘ側に位置する。【選択図】図２
