To provide an underpants type absorbent article which can fit to a body of a wearer following motion of a body, with good touch feeling.SOLUTION: An underpants type absorbent article comprises a vertical direction, a lateral direction and a cross direction crossing each other, comprises an absorbent body (10), and a first waistline part (20) comprising stretchable sheet (24) which is stretchable in the lateral direction, and being jointed to the absorbent body (10). In the vertical direction, a lower end (24b) of the stretchable sheet (24) is at a position separated to an upper side from an upper end (10a) of the absorbent body (10) by a prescribed distance (lg), in an underpants type absorbent article (1).SELECTED DRAWING: Figure 4【課題】肌触りが良好で、身体の動きに追従してフィット可能なパンツ型吸収性物品を提供する。【解決手段】互いに交差する上下方向と左右方向と前後方向とを有し、吸収性本体(10)と、前記左右方向に伸縮する伸縮性シート(24)を備え、前記吸収性本体(10)に接合された第1胴回り部(20)と、を有するパンツ型吸収性物品(1)であって、前記上下方向において、前記伸縮性シート(24)の下端(24b)は、前記吸収性本体(10)の上端(10a)から上側に所定の距離(lg)だけ離れた位置にある。【選択図】図4