A touch display apparatus including a body, a display module, a light control element, and a touch module is provided. The body has an opening. The display module is disposed in the body and is suitable for emitting a plurality of image beams toward the opening. The light control element is disposed to overlap the opening of the body and is suitable for reflecting the image beams coming from the display module to an imaging space to display an image frame of the display module. The imaging space and the display module are located on two opposite sides of the light control element. The touch module is disposed on one side of the light control element and is configured to recognize a touch operation of a user in the imaging space.