A floating-image display module includes a display unit having an image screen for displaying a two-dimensional image, and an image transfer unit that is located far from the image screen of the display unit and that transfers light left from the image screen to image the light in a space to thereby display a floating image. The space is located at one side opposite to the image screen. The floating-image display module includes a supporting wall that is airtightly joined to the image display unit and the image transfer unit and that supports the display unit and the image transfer unit.