Abstract: An attachment apparatus includes: a guide mechanism provided along an attaching direction on an adhesion target surface; a slider supported by the guide mechanism in a manner movable in the attaching direction; a shaft body rotatably supported by the slider; a biasing unit that applies a biasing force in a rotation direction to the shaft body; a connector extending from the shaft body in a radial direction of the shaft body; and an elastic roller supported by the connector. The elastic roller separates a sheet piece into an adhesive sheet to be inverted by the elastic roller and a release sheet to be delivered in the attaching direction. The adhesive sheet inverted by the elastic roller is pressed to be attached on the adhesion target surface by the biasing force.