Disclosed is a 3Dimension stereoscopic display device including a video image playback device 5 for playing back a right-eye image or video image and a left-eye image or video image for three-dimensional stereoscopic display of an inputted image or video image, a stereoscopic display monitor 6 for producing a three-dimensional stereoscopic display of the right-eye and left-eye images or video images, and a screen composition processing unit 4 for generating the right-eye and left-eye images or video images in which a virtual display surface P for three-dimensional stereoscopic display of the inputted image or video image is moved with respect to the screen Q of the stereoscopic display monitor 6 according to whether a user operation using an operation input unit 18 is being performed to output the right-eye and left-eye images or video images to the video image playback device 5.