To provide a tag sheet of paper preparing apparatus capable of easily preparing a tag sheet of paper with a required size.

The tag paper preparing apparatus 1 prepares the tag sheet of paper with a releasable pressure-sensitive adhesive part on one end part from a paper T wound into a roll-like shape. The tag paper preparing apparatus includes a paper conveying means 5 for forwarding the roll-like paper T while it is delivered, a cutting means 7 for cutting the paper T forwarded into the required size to form a paper piece T1, and a pressure-sensitive adhesive applying means 8 for applying a pressure-sensitive adhesive N on the end part of the paper piece T1 cut.