PROBLEM TO BE SOLVED: To improve degree of freedom of a design of an interior body exterior sheet.SOLUTION: This disposable diaper includes: an abdominal side exterior sheet 12F and a back side exterior sheet 12B which are separated without continuing at the crotch side and an interior body exterior sheet 12M which covers at least the rear face of an interior body 200 in the separation region. The material of the abdominal side exterior sheet 12F and the back side exterior sheet 12B is the same as the material of the interior body exterior sheet 12M, and the width of the interior body exterior sheet 12M is narrower than that of the interior body 200. The lower edge of the abdominal side exterior sheet 12F has a shape corresponding to one side edge of the interior body exterior sheet 12M, and the lower edge of the back side exterior sheet 12B has a shape corresponding to the other side edge of the interior body exterior sheet 12M.
