To provide an absorbent article capable of quickly diffusing and absorbing a liquid, capable of being easily worn, having dry feeling, suppressing leakage, and being suitable for use in a long term such as use for night care.SOLUTION: An absorber 30 is formed of two vertical layers, comprises a pair of slits 31 having a length of 35-65% of whole length, and comprises a crotch part 30b whose width is narrow, an abdominal side part 30a arranged on an abdominal side and a back side and whose width is wide, and a back side part 30c. The slit extends from the abdominal side to the back side, a width of the crotch part of the absorber is 140-160 mm, a width of the abdominal side part is 140-300 mm, a width of the back side part is 200-330 mm, in the crotch part width, a total length of widths of the pair of slits is 7-25% of the crotch part width of the absorber, the pair of slits are provided in a range of 65% of a crotch width W2 of the absorber from a center in the width direction of the absorber, the slits are provided at an interval of 15% or greater of the crotch width of the absorber, and an open hole film is provided on a non-skin contact surface side of the top sheet 20.SELECTED DRAWING: Figure 1【課題】すばやく拡散吸収し、装着がしやすくドライ感があり、漏れを抑制する。夜間介護など長時間の使用に適した吸収性物品を提供する。【解決手段】吸収体３０は上下２層で設けられ、全長に対し３５～６５％の長さを有するスリット３１が幅方向で対をなして貫通し、幅が狭い股部３０ｂと、腹側と背側に配置される幅の広い腹側部３０ａと、背側部３０ｃを含み、スリットは腹側部から背側部へ延在し、吸収体の股部幅が１４０～１６０ｍｍ、腹側部の幅は１４０～３００ｍｍ、背側部の幅は２００～３３０ｍｍであり、股部幅において、対のスリット幅の合計が吸収体の股部幅の７～２５％であり、吸収体幅方向中央から吸収体の股幅Ｗ２の６５％の範囲内に、対のスリットが収まっており、スリットは、吸収体の股幅の１５％以上の間隔で設けられており、トップシート２０の非肌当接面側に開孔フィルムを備える、吸収性物品。【選択図】図１
