Disclosed is a 3Dimension stereoscopic display device including a screen composition processing unit for generating a right-eye image or video image and a left-eye image or video image for planar display or for three-dimensional stereoscopic display of an image or video image, a video image playback device 5 for playing back the images or video images, and a stereoscopic display monitor unit 6 for displaying the images or video images played back by the playback device 5 in a three-dimensional stereoscopic manner, in which the screen composition processing unit 4 switches between outputting the right-eye image or video image and the left-eye image or video image for planar display to the playback device 5 and outputting the right-eye image or video image and the left-eye image or video image for three-dimensional stereoscopic display to the playback device 5 according to state of a moving object.