An absorbing article provided with an absorber kept in contact with the excretingportions of a body when it is worn and deformed to prevent leakage of excrements.A disposable diaper (1) comprising a chassis (2), an inseam (23), an absorber(4), and an elastic member extending along the side edge in the width directionof the inseam. The oblong absorber (4) disposed in the inseam comprises a firstsmall width portion, a second small width portion, a central low-rigidity portionformed to extend along the center line bisecting the disposable diaper (1) inthe width direction, and a pair of sideward low-rigidity portions formed almostequidistantly on the opposite sides in the width direction of the central low-rigidityportion; and the inseam (23) is provided with a skin contacting surface side sheetand a skin non-contacting surface side sheet, with the skin contacting surfaceside sheet being lower in initial strength than the skin non-contacting surfaceside sheet or the chassis (2) when stretched.