Provided is a pants-type absorbent article which has a high degree of freedom in the design of the external appearance, is put on easily, and exhibits excellent fitting properties. This pants-type absorbent article (1) is provided with: an interior body (3) provided with an absorbent body (17) and an exterior body (4) provided with a waist opening (9) and a pair of leg openings (11). The absorbent article (1) is divided into a crotch region (13) and a waist region (15). The exterior body (4) is provided with an outer sheet (21) and an inner sheet (23) which extend downward in the length direction (L) from the waist opening (9), and are disposed inside the waist region (15). The inner sheet (23) includes an upper expansion/contraction part (27) and a lower expansion/contraction part (29) which extend in the peripheral direction (P). The exterior body (4) is provided with an unconnected section in which the lower expansion/contraction part (29) and the outer sheet (21) are not connected. The absorbent article (1) is provided with a pair of inner sheet fixing parts (31) which fix front and rear ends of the interior body (3) to the inner sheet (23) of the exterior body (4).Linvention fournit un article absorbant type culotte dont le degré de liberté de conception relatif à son apparence est élevé, et qui se révèle excellent en termes de facilité à enfiler et de propriétés dajustement. Plus précisément, linvention concerne un article absorbant type culotte (1) qui est équipé : dun corps de finition intérieur (3) possédant un corps absorbant (17) et dun corps de finition extérieur (4) possédant une partie ouverture tour de tronc (9) et une paire de parties ouverture tour de jambes (11). Cet article absorbant (1) se divise en une région entrejambe (13) et une région tour de tronc (15). Le corps de finition extérieur (4) est équipé dune feuille côté externe (21) et dune feuille côté interne (23) qui se prolongent depuis la partie ouverture tour de tronc (9) vers le bas dune
