PROBLEM TO BE SOLVED: To make an absorbent article easy to deform along the roundness and unevenness of the body when wearing, and reduce leakage of body fluid, and uncomfortable feeling when wearing.SOLUTION: A sanitary napkin 1 is formed with: a wing-like flap W in which an absorber 4 is interposed between a liquid-permeable surface sheet 3 and a rear surface sheet 2, and which is fastened to both sides so as to roll the crotch part of an underwear when wearing and a hip holding flap HF fastened to a hip inner side of an underwear when wearing, on the rear side of the flap. A product width Uof a root rear end B of the wing-like flap W is formed more widely than a product width Uof a root forward end A of the wing-like flap W, and an outline 20 from the root rear end B of the wing-like flap W to a root forward end C of the hip holding flap HF is formed in a curved line projecting to the outside.
