1. One -handed picking will destroy the left and right balance of the frame, which will cause deformation. It is recommended that you hold it with your hands and pick it up in the parallel direction on both sides of the cheeks. 2. Generally, the left mirror leg is generally folded first, which is not easy to cause the frame to deform. 3. It is recommended to rinse the glasses and absorb the water with a paper towel, and then use a special glasses cloth to test it. You need to hold the frame on the frame of the frame on the side of the mirror, and gently wipe the lens to avoid excessive force caused by the damage of the frame or lens. 4. When not wearing glasses, wrap it in the glasses box with glasses cloth. If it is temporarily placed, please facing the convex surface of the glasses, otherwise it will be easy to grind the lens. At the same time, glasses should avoid insecticides, toilets, cosmetics, and gums to avoid long -term direct sunlight and high temperature