The present invention provides an absorbent article comprising an absorbent body which is deformed in contact with the discharging part of the body in the mounted state, so as to suppress the leakage of excrement. Disposable diaper 1 of the present invention comprises a chassis 2, a crotch portion 23, an absorber 4, and a resilient member along the side edges in the width direction of the crotch portion. In addition, the absorption body 4 elongated shape and being arranged in the crotch portion, the central is formed along the center line equally dividing the width direction and the narrow portion of the first width, and a narrow portion second width, the disposable diaper 1 and a lateral low rigidity portion of the pair formed by the substantially regular intervals and the low rigidity portion, on both sides in the width direction of the center low rigidity portion, the contact surface Hihada sheet and skin facing sheet in the crotch portion 23 There is arranged, the skin-contact surface side sheet is one of the initial strength when stretched is less than that of the chassis 2 or the non-skin facing side of the sheet.本発明は、装着状態において身体の排泄部に当接すると共に、排泄物の漏れを抑制するように変形する吸収体を備える吸収性物品を提供する。本発明の使い捨ておむつ1は、シャーシ2と、股下部23と、吸収体4と、股下部の幅方向における側縁に沿う弾性部材と、を備える。また、股下部に配置される縦長状の吸収体4は、第1幅狭部と、第2幅狭部と、使い捨ておむつ1を幅方向に等分する中心線に沿うように形成される中央低剛性部と、中央低剛性部の幅方向両側に略等間隔で形成される一対の側方低剛性部とを備え、股下部23には肌当接面シートと非肌当接面シートとが配置され、前記肌当接面側シートは、前記非肌当接面側シート又は前記シャーシ2よりも伸張時の初期強度が低いものである。
