An apparatus for manufacturing a tampon, the tampon including an absorbent body that absorbs liquid, an accommodating member that is cylindrical and accommodates the absorbent body, and a pushing member that moves inside the accommodating member and pushes the absorbent body out of the accommodating member, the accommodating member including a minor diameter part provided at a one-end part thereof and a major diameter part provided at an other-end part thereof, the major diameter part having an external diameter greater than that of the minor diameter part, including: an orienting mechanism that orients the accommodating member a first inserting mechanism that inserts the pushing member into the accommodating member oriented by the orienting mechanism and a second inserting mechanism that inserts the absorbent body into the accommodating member in which the pushing member is inserted, the orienting mechanism including: an opening through which the accommodating member is inputted a pair of first protruded parts located on one-end side in a longitudinal direction of the opening and protruding inwardly in an opposing manner into the opening and a pair of second protruded parts located on other-end side in the longitudinal direction of the opening and protruding inwardly in an opposing manner into the opening, a gap between the pair of first protruded parts being greater than the external diameter of the minor diameter part and smaller than the external diameter of the major diameter part, and a gap between the pair of second protruded parts being greater than the external diameter of the minor diameter part and smaller than the external diameter of the major diameter part.
