To provide a tag paper printer capable of simply bundling a plurality of printed tag sheets of paper and keeping this as a bundle of the tag papers.

The tag paper printer includes a tag paper conveying means 16 for conveying the tag paper toward a discharging part 9 while the tag sheets of paper H1 are torn off one by one from the bundle H of the tag sheets of paper, a printing means 17 for printing the tag sheets of paper H1 torn off and conveyed, a discharging opening tray 12 provided at a discharging part 9 and arranging in order and stacking a plurality of the tag sheets of paper H1 printed, and a pressing means 18 facing the discharging opening tray 12, pressing a plurality of pressure-sensitive adhesive parts of the tag sheets of paper H1 stacked to pressure-sensitively re-stick a plurality of the tag sheets of paper H1 so as to be releasable.