A movable pressing and light-shielding mechanism for digital stereo image printing comprises a base (1), multiple gantries (2), a photosensitive platform (3) and an exposure system device (4); wherein the base (1) has a groove inside which the photosensitive platform (3) is provided. The number of the gantries (2) is two. The two gantries (2) are provided in parallel and fixed on the base (1) and a slideway (22) is provided between the two gantries (2). A screw is provided in the slideway (22). One end of the screw is connected with a second motor (12). The motor (12) is connected with the exposure system device (4). A top end face of the exposure system device (4) is connected with the screw. A laser scan line opening is provided on a bottom surface of the exposure system equipment (4).

A lighting apparatus includes a first illumination portion and a second illumination portion. The first illumination portion and the second illumination portion respectively include a bar-like light guide whose shape of an end face of an end portion includes a part of a circle, an ellipse or a parabola, and light source elements that are provided to face the end face of the end portion of the light guide. In the light guide of the second illumination portion, light enters a determined range in which a focus of the shape of the end face of the end portion of the light guide is included. In the light guide of the first illumination portion, light enters a range that is not the determined range in which the focus of the shape of the end face of the light guide is included.