An object of the present invention to eliminate the gap between the thighs that can be when it is folded back flap, to prevent the menstrual blood from leaking to the outside of the shorts wearing a napkin, to provide the flap with sanitary napkins wearing feathers. A feather 3 is provided on the flap 2 with the sanitary napkin main body 1, when it is folded flap 2 in shorts crotch portion, the blade 3 is spread 3b is on the left and right starting from the part 3a, is menstrual blood out of the napkin to prevent and the leak of. .BACKGROUND 2【課題】フラップを折り返した際に出来る太ももとの隙間を無くし、ナプキンをつけたショーツの外に経血が漏れるのを防止する、ハネをつけたフラップ付生理用ナプキンを提供する。【解決手段】フラップ2付き生理用ナプキン本体1にハネ3を設け、フラップ2をショーツ股部分に折り返した際、ハネ3が部分3aを起点に3bが左右に広がり、ナプキンの外に経血が漏れるのを予防する。【選択図】図2