The utility model discloses a glass steel antiglare shield, antiglare shield main part periphery is equipped with ring stiffener rib, and the bilateral symmetry of antiglare shield main part is inwards sunken, and left part antiglare shield and right part antiglare shield can interlock and set up and be fixed through the fixed plate, and the arc is equipped with circular vents hole III in the middle of connecting the top, and strengthening rib I and strengthening rib II are crisscross to be set up, is connected with water conservancy diversion piece I on the I of ventilation hole, is connected with water conservancy diversion piece II on the II of ventilation hole, and water conservancy diversion piece I is triangle -shaped with water conservancy diversion piece II and the opening direction is different. The utility model discloses a left part antiglare shield and right part antiglare shield can interlock and set up and be fixed through the fixed plate to further holistic stability, in order to adapt to the not wind -force in equidirectional source, the arc is equipped with circular vents hole III in the middle of connecting the top, and water conservancy diversion piece I is triangle -shaped with water conservancy diversion piece II and the opening orientation is different, the utility model discloses simple structure, not perishable, life is longer, and the practicality is stronger.