A tape affixing apparatus includes: a holding unit including a frame holding unit and a wafer holding portion; a feeding unit configured to feed a tape unit; a winding unit configured to wind a sheet from which a dicing tape is peeled off; a plate configured to be brought into contact with the sheet and peel the tape off from the sheet by bending the tape unit with the sheet on the inside; an affixing roller configured to affix the peeled-off tape to a frame and a wafer; and a nozzle configured to blow air so as to make the peeled-off tape conform to the affixing roller.