1. Pay attention to your eye habits, read books for 45-50 minutes and take a break or look away for 5-10 minutes. 2. Try to relax your eyes by looking into the distance in between classes. When reading books, your eyes are looking inward and downward. When taking a break, try to let your eyes look to the upper left and upper right. 3, scientific lighting is double lighting, in 2 to 3 meters from the book with appropriate brightness diffuse lighting (such as fluorescent lamps on the ceiling) at the same time, in 0, 5 meters from the book and then placed a lamp, to ordinary incandescent lamps is better. 4.Blink frequently, equivalent to a small massage for the eyes. 5, rub your hands until they are hot, then close your eyes and cover the circles of your eyes with your hot palms, just cover them, do not compress your eyes. Breathe deeply and slowly, and imagine darkness, do this for a total of 20 minutes a day to help reduce eye fatigue. 6, reading and writing sitting posture norms, not hunched over or, close to the written or lying down to do homework. The best reading distance to maintain at about 35-40 cm. The correct posture of holding the pen to avoid fingers blocking the font, resulting in head tilt, spinal curvature. 7, sleep is indispensable, regular work and rest . 8, pay attention to the dietary structure, more vitamin A, C, D, more carrots, fruit, seafood, soy products, fish, milk, walnuts, green vegetables, cabbage, cabbage, tomatoes and fresh fruit. 9, avoid walking, driving or lying down to read, avoid reading in too dark or too bright environment. 10.Regular eye examinations, the establishment of eye examination files, timely treatment of eye diseases. 11.If your glasses are not very clear, please change the new glasses as soon as possible, otherwise the glasses are easy to fatigue.