An object of the present invention is to provide a disposable diaper having excellent top sheet migration speed and absorber migration speed, as well as a satisfactory feeling during wear. The disposable diaper of the present invention is as follows. A disposable diaper comprising a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorber between the top sheet and back sheet, and having a front body waist region, a crotch region and a back body waist region, wherein the top sheet is a nonwoven fabric having on the skin contact surface a plurality of ridges and a plurality of recesses extending in the lengthwise direction of the disposable diaper, and alternating in the widthwise direction perpendicular to the lengthwise direction, the top sheet has point-like compressed sections at a prescribed density in the front body waist region and/or back body waist region, the ridges in prescribed zones having different heights than the adjacent ridges at the same location in the lengthwise direction.本揭示是提供一種,頂面薄片移行速度及吸收體移行速度優,而且穿用感良好的用後即棄式紙尿布作為目的。本揭示的用後即棄式紙尿布為以下所述。一種用後即棄式紙尿布,係包含:液透過性的頂面薄片;液不透過性的背面薄片;以及上述頂面薄片及背面薄片之間的吸收體,且具有:前身布的腰部區域、胯部區域、及後身布的腰部區域之用後即棄式紙尿布,上述頂面薄片為於肌膚抵接面在與長方向正交的寬方向交替具有朝上述用後即棄式紙尿布的長方向延伸的複數個凸部、與複數個凹部的不織布,上述頂面薄片在上述前身布的腰部區域及/或上述後身布的腰部區域以預定的密度具有點狀的壓榨部,而且,預定的區域的上述凸部與鄰接的凸部在朝長方向的同一位置具有不同的高度。1...用後即棄式紙尿布4...平面扣具6...凸部7...凹部8...點狀的壓榨部2...頂面薄片5...肌膚抵接面9...點狀壓榨溝W1...前身布的腰部區域C...胯部區域W2...後身布的腰部區域3...防漏壁B...寬方向A...長方向
