To provide an underpants type absorbent article which can give an impression of good fitting property to a user, by its appearance.SOLUTION: An underpants type absorbent article (1) comprises: an absorbent body (10) having a pair of leakage prevention wall parts (40)； a belly side waistline part (20)； and a back side waistline part (30). The underpants type absorbent article further comprises a first salient part (61) which is along a lateral direction where the absorbent body (10) becomes downward salient, from a front side of a cross direction, a recess (60) which is along a lateral direction where the absorbent body (10) becomes upward salient, and a second salient (62) which is along a lateral direction where the absorbent body (10) becomes downward salient.SELECTED DRAWING: Figure 4【課題】外観からフィット性が良いという印象をユーザーに持ってもらうことのできるパンツ型吸収性物品を提供すること。【解決手段】一対の防漏壁部（４０）を備えた吸収性本体（１０）と、腹側胴回り部（２０）と、背側胴回り部（３０）とを有するパンツ型吸収性物品（１）であって、前後方向の前側から、吸収性本体（１０）が下側に凸となる左右方向に沿う第１凸部（６１）と、吸収性本体（１０）が上側に凸となる左右方向に沿う凹部（６０）と、吸収性本体（１０）が下側に凸となる左右方向に沿う第２凸部（６２）とを有すること。【選択図】図４
