There is provided a transparent adhesive sheet on which printing can be performed during in use and which has high transparency, while including an adhesive layer on the front surface side and a release layer on the back surface side. The transparent adhesive sheet includes: a base material layer formed with a transparent material; an adhesive layer formed on the back surface side of the base material layer and formed with an adhesive agent for bonding to an adherend; a recording layer formed on the front surface side of the base material layer and containing a color developing material that thermally develops color; and a release layer formed on the further front surface side of the recording layer and having release properties to the adhesive agent. The transparent adhesive sheet is transparent in the state before the recording layer develops color.