An eye-protection display device (1) and method are provided. The device (1) includes; a display screen (10); a distance detection module (20), configured to detect a vertical distance between a location of two eyes of a user and the display screen (10); a control module (30) to send first control information to an execution module (40) when a detection result of the distance detection module (20) includes at least a case that the vertical distance between the location of the two eyes and the display screen (10) is not a set distance; and the execution module (40) configured to control the display screen (10) to move according to the first control information, so that the vertical distance between the location of the two eyes and the display screen (10) is the set distance.