An apparatus for manufacturing a tampon, the tampon including a tampon main body having a cord, an accommodating cylinder accommodating the tampon main body, a pushing member moving inside the accommodating cylinder and pushing the tampon main body out of the accommodating cylinder, a plurality of petaloid parts provided in a leading-end part of the accommodating cylinder by surrounding a leading-end opening of the accommodating cylinder, comprising: a pushing-member inserting mechanism that inserts the pushing member into the accommodating cylinder through the leading-end opening; and a tampon main body inserting mechanism that inserts the tampon main body into the accommodating cylinder from side including the cord through the leading-end opening, the tampon main body inserting mechanism characterized by: a guide tube guiding the tampon main body inserted into the guide tube; a drive section connecting the guide tube and the accommodating cylinder by moving one of the guide tube and the accommodating cylinder towards other one and thus contacting the guide tube and the leading-end part of the accommodating cylinder; a pressing part pressing the tampon main body inserted into the guide tube so as to insert the tampon main body into the accommodating cylinder connected to the guide tube; and an air suction device sucking air from rear-end side of the accommodating cylinder in a case where the tampon main body is inserted into the accommodating cylinder, wherein the guide tube includes an airhole formed at an outer peripheral part of the guide tube. a pushing-member inserting mechanism that inserts the pushing member into the accommodating cylinder through the leading-end opening; and a tampon main body inserting mechanism that inserts the tampon main body into the accommodating cylinder from side including the cord through the leading-end opening, the tampon main body inserting mechanism characterized by: a guide tube guiding the tampon main body inserted into the guide tube; a drive section connecting the guide tube and the accommodating cylinder by moving one of the guide tube and the accommodating cylinder towards other one and thus contacting the guide tube and the leading-end part of the accommodating cylinder; a pressing part pressing the tampon main body inserted into the guide tube so as to insert the tampon main body into the accommodating cylinder connected to the guide tube; and an air suction device sucking air from rear-end side of the accommodating cylinder in a case where the tampon main body is inserted into the accommodating cylinder, wherein the guide tube includes an airhole formed at an outer peripheral part of the guide tube. a guide tube guiding the tampon main body inserted into the guide tube; a drive section connecting the guide tube and the accommodating cylinder by moving one of the guide tube and the accommodating cylinder towards other one and thus contacting the guide tube and the leading-end part of the accommodating cylinder; a pressing part pressing the tampon main body inserted into the guide tube so as to insert the tampon main body into the accommodating cylinder connected to the guide tube; and an air suction device sucking air from rear-end side of the accommodating cylinder in a case where the tampon main body is inserted into the accommodating cylinder, wherein the guide tube includes an airhole formed at an outer peripheral part of the guide tube.