An absorbent article having a vertical direction, a horizontal direction, and a longitudinal direction, and also having: an absorbent body along the vertical direction; and a sheet member comprising a belt section along the horizontal direction and a pair of leg-gather sections along the vertical direction. A trunk opening and a pair of leg openings are formed in the absorbent article. In the vertical direction, a first joined section and a second joined section to which at least the absorbent body and the sheet member are joined are provided on one side and the other side in the longitudinal direction respectively, said first and second joined sections being inclined towards the outside in the horizontal direction from the trunk opening side towards the leg openings. When the belt section is stretched in the horizontal direction, the first joined section has an area positioned further on the other side than the absorbent body.一種吸收性物品係具有縱方向、橫方向及前後方向的吸收性物品,其特徵為具有:沿著縱方向的吸收性本體;及薄片構件,該薄片構件具備沿著橫方向的帶部、和沿著縱方向的一對腳皺褶部,該吸收性物品並形成有腰圍開口部及一對腳圍開口部,至少前述吸收性本體及薄片構件接合之第1接合部及第2接合部是分別設在前後方向的一方側與另一方側,該第1接合部及第2接合部是在縱方向上,從腰圍開口部側朝前述腳圍開口部向橫方向外側傾斜,在皮帶部已朝橫方向伸張的狀態下,在第1接合部,具有薄片構件比起吸收性本體位於更靠近另一方側之區域。