PROBLEM TO BE SOLVED: To prevent an underwear from getting dirt without wrapping the males genital organ, and not to limit the movable range of the males genital organ.SOLUTION: A mens incontinence liner 1 is such that a body part 10 is formed from the front side to the rear side, and both sides of the rear side of the body part 10 are formed with a pair of right and left lateral parts 11 and 11 projecting to the lateral side or the oblique rear side. The width direction center of the rear side of the body part 10 is formed with a rear part 12 projecting backward. When mounting the mens incontinence liner 1 on an underwear, the body part 10 is arranged in the inside of the front body of the underwear along the front/back direction from the vicinity of a waist opening part to a crotch part, and the lateral part 11 is arranged from the crotch part to the leg opening part of the underwear.
