PURPOSE: To provide a display device capable of being simply and easily operated when a display picture is changed, efficiently operated even when remarkable scroll, etc., is performed and reducing the fatigue in a vision system.

CONSTITUTION: This device is provided with a storage part 43 storing image information, a control part 41 controlling so as to read out the specified image information from the storage part 43 and a display part 10 receiving a signal showing the image information and displaying an image based on the received signal. The display part 10 is provided on a surface of a main body 1 freely movable in space. Movement detection parts 11, 12 detecting the moving amount and the moving direction of the main body 1 are provided on the main body 1. By the control part 41, the image information to be read out from the storage part 43 is specified based on the detection result of the movement detection parts 11, 12.