To provide a tape dispenser capable of eliminating waste of adhesive when the function is switched from stamping to pulling.

Cases 15, 16 comprise a supply reel having an adhesive tape wound thereon, a recovery reel for taking up a used tape, a winding mechanism comprising a gear on the side of the supply and recovery reels and a transmission gear, an inner plate for supporting the supply and recovery reels, a roll chip 12 for guiding the tape when pulling, a stamp press plate 13 for pressing the tape when stamping, a stamp plate 14 continuously moved outward by the energizing force of a spring member and capable of changing the position to the pulling position in which the roll chip and the stamp press plate are exposed to outside when it is engaged with a locking projection provided in the inner case and to the stamping position when the engagement with the locking projection is released, and a winding avoidance mechanism 400, which prevents the tape from being wound on the recovery reel when the stamping position is switched to the pulling position.