1, do not “do not look away”, pay attention to the frequent and complete blinking action, often blinking can reduce eye exposure to the air time, to avoid tear evaporation. 2, do not blow too long air conditioning, to avoid air currents blowing over the seat, and place tea near the seat to increase the surrounding humidity. 3.Eat more various fruits, especially citrus fruits, and also eat more green vegetables, grains, fish and eggs. Drinking more water is also helpful to reduce dry eyes. 4.Maintain good living habits, get enough sleep and do not stay up late. 5.Avoid long time continuous operation of the computer, pay attention to the intermediate rest, usually 1 hour of continuous operation, rest 5-10 minutes. When resting, you can look away or do eye exercises. 6, maintain a good working posture. Maintain a most appropriate posture, so that the eyes flat or mildly downward looking at the fluorescent screen, which can make the neck muscles relaxed, and make the eye exposed to the air to reduce the area to a minimum. 7, adjust the distance position of the fluorescent screen. The recommended distance is 50-70 cm, and the fluorescent screen should be slightly lower than the horizontal position of the eye 10-20 cm, a 15-20 degree downward perspective. Because the angle and distance can reduce the need for refraction and reduce the chances of eye fatigue. If you would have had less tear production and your eyes are prone to dryness, contact lenses are not suitable for use in front of a computer and frame glasses should be worn. For those who wear contact lenses in front of the computer, it is also best to use a variety with a high degree of oxygen permeability. for people over 40, it is best to use bifocal lenses or wear glasses with a lower prescription when typing. If there is redness in the eyes, a burning or foreign body sensation, heavy eyelids, blurred vision, or even a swollen eye or headache that does not improve significantly after rest, it is time to go to the hospital.