A disposable pants-type diaper capable of preventing bodily wastes from beingin contact with the wearers body. The disposable pants-type diaper (1)has a separator (20a) placed between the inner surface of a pants-type skin-coveringsection(10) and the skin of the wearer and preventing bodily wastes from adheringto the skin. The separator (20a) is constructed from a sheet member extendingfrom the bottom of a crotch region (6) of the diaper (1) toward a front waist region(7) and to a rear waist region (8) and fixed to both side edges of the crotch region(6). The sheet member has a front edge section (21) and rear edge section (22) extendingin the lateral direction of the crotch region (6) and elastically extendible.At the center in the lateral direction of the crotch section (6), the front edgesection (21) and rear edge section (22) are separated from the inner surface ofthe skin-covering section (10) and integrated together so as to be inseparable.
