PROBLEM TO BE SOLVED: To provide a disposable wearing article capable of increasing peel strength in an inner end part in a border side joint area.SOLUTION: In a disposable wearing article (10) provided with a diaper body (14) and a pair of joint members 30, the pair of joint members has base end parts (31) fixed to a first waist area (12) and a free part (32) extending from the base end part to a second waist area (11). A border line 31c between the base end part and the free part is inclined. In the base end part, among border side joint areas (70) extending along the border line, an inner end part (74) positioned on a crotch area(13) has a horizontal joint area (82) extending in a horizontal direction (X).SELECTED DRAWING: Figure 2【課題】境界側接合域の内端部における剥離強度を高めることができる使い捨ての着用物品の提供。【解決手段】おむつ本体（１４）と、一対の連結部材（３０）とを備える使い捨ての着用物品（１０）において、前記一対の連結部材は、第１ウエスト域（１２）に固定された基端部（３１）と、前記基端部から第２ウエスト域（１１）へ向かって延出する自由部（３２）とを有し、前記基端部と前記自由部との境界線（３１ｃ）は傾斜しており、前記基端部において、前記境界線に沿って延びる境界側接合域（７０）のうち、クロッチ域（１３）側に位置する内端部（７４）は、横方向（Ｘ）へ延びる横接合区域（８２）を有する。【選択図】図２
