PROBLEM TO BE SOLVED: To provide a disposable diaper which has an excellent fitting feeling and reduce a tight feeling around a waist of a user without generating a space around the waist of the user.SOLUTION: A front patch is formed of a hook material, and a fitting part is extended from both outside edges of a rear body, and the fitting part is formed of a nonwoven fabric including fibers which can be engaged with the hook material so that a disposable diaper has excellent safety when it is put on. Based on this knowledge, the disposable diaper can be obtained. The fitting part of the disposable diaper is formed of a nonwoven fabric including fibers which can engage the rear body with the hook material. Because of this, the fitting feeling of the disposable diaper is never damaged even if the disposable diaper is tightly fitted around the waist of a user.COPYRIGHT: (C)2013,JPO&INPIT【解決課題】本発明は,着用者の腰周りに隙間を生じさせることがなく,かつ,着用者の腰周りの締め付けを軽減した着用感の優れた使い捨ておむつを提供することを解決課題とする。【解決手段】本発明は,フロントパッチをフック材で形成し,後身頃の左右の両縁端部から延出した止着部をフック材と係合可能な繊維を含有する不織布で形成することで,着用時の安全性に優れた使い捨ておむつ得ることができるという知見に基づくものである。本発明に係る使い捨ておむつの止着部は,後身頃をフック材と係合可能な繊維を含有する不織布で形成される。このため,使い捨ておむつを着用者の腰周りにしっかりと固定しても,使い捨ておむつの着用感を損なうことがない。【選択図】図1