A tire vulcanizing apparatus comprising: a vulcanizing mold for vulcanization-molding an unvulcanized tire, the vulcanizing mold comprising an upper die to be located on the upper side of the unvulcanized tire and a lower die to be located on the lower side of the unvulcanized tire, a tire-vulcanizing bladder assembly to be disposed in the inner cavity of the unvulcanized tire disposed in the vulcanizing mold, and being inflatable with a fluid so as to press the unvulcanized tire against the vulcanizing mold, a supply means for supplying the fluid to the tire-vulcanizing bladder assembly, and a discharge means for discharging the fluid from the tire-vulcanizing bladder assembly, wherein the tire-vulcanizing bladder assembly compresses an outside bladder for abutting on the inner surface of the unvulcanized tire, and an inside bladder disposed inside the outside bladder, and the fluid includes a first fluid supplied between the outside bladder and the inside bladder, and a second fluid supplied to the inside of the inside bladder, wherein the supply means comprise a first supply means for supplying the first fluid, and a second supply means for supplying the second fluid, characterized in that the outside bladder comprises an upper first bead secured to the upper die and a lower second bead secured to the lower die, and the inside bladder comprises an upper third bead secured to the upper die and a lower fourth bead secured to the lower die, with the first supply means being disposed between the upper first bead and the upper third bead, the second supply means being disposed inside the lower fourth bead, and the discharge means being disposed between the lower second bead and the lower fourth bead. a vulcanizing mold for vulcanization-molding an unvulcanized tire, the vulcanizing mold comprising an upper die to be located on the upper side of the unvulcanized tire and a lower die to be located on the lower side of the unvulcanized tire, a tire-vulcanizing bladder assembly to be disposed in the inner cavity of the unvulcanized tire disposed in the vulcanizing mold, and being inflatable with a fluid so as to press the unvulcanized tire against the vulcanizing mold, a supply means for supplying the fluid to the tire-vulcanizing bladder assembly, and a discharge means for discharging the fluid from the tire-vulcanizing bladder assembly, the tire-vulcanizing bladder assembly compresses an outside bladder for abutting on the inner surface of the unvulcanized tire, and an inside bladder disposed inside the outside bladder, and the fluid includes a first fluid supplied between the outside bladder and the inside bladder, and a second fluid supplied to the inside of the inside bladder, wherein the supply means comprise a first supply means for supplying the first fluid, and a second supply means for supplying the second fluid, characterized in that the outside bladder comprises an upper first bead secured to the upper die and a lower second bead secured to the lower die, and the inside bladder comprises an upper third bead secured to the upper die and a lower fourth bead secured to the lower die, with the first supply means being disposed between the upper first bead and the upper third bead, the second supply means being disposed inside the lower fourth bead, and the discharge means being disposed between the lower second bead and the lower fourth bead.