An illumination device including a light-emitting panel, a touch panel, and a control module is provided. The light-emitting panel includes a light-emitting layer configured to emit a light beam. The touch panel is overlaid on the light-emitting panel, and includes a first touch electrode. The control module is electrically connected to the light-emitting panel and the touch panel. The light-emitting layer further includes a light-emitting material, and the width of the light-emitting material is greater than half of the width of the first touch electrode.