1. Develop the habit of blinking more often. Dry eye disease is a stress-type disease, the problem lies in the eyes to stare in one direction for a long time to see. Therefore the best way to avoid eye fatigue is to take proper rest and never operate continuously. (1) It is important to have a proper pair of glasses. For people over 40 years old, it is best to use bifocal lenses or wear glasses with a lower prescription when typing. (2) work posture and distance is also very important, try to keep on 60cm to distance, adjust a most appropriate posture, so that the line of sight can be maintained down about 30 °, such an angle can make the neck muscles relax, and make the eye surface exposed to the air area to a minimum. 2, long-term computer operators, should eat more fresh vegetables and fruits, while increasing the intake of vitamins A, B1, C, E. To prevent corneal dryness, dry eyes, vision loss, and even night blindness, computer operators should eat more food rich in vitamin A. Vitamin C can effectively inhibit cellular oxidation. The main role of vitamin E is to: lower cholesterol, remove waste from the body and prevent cataracts. Walnuts and peanuts are rich in vitamin E. Vitamin B1 can nourish the nerves, green leafy vegetables contain a large amount of vitamin B1. green tea can be properly drunk every day, because the lipopolysaccharide in tea, can improve the hematopoietic function of the body, tea also has the function of radiation damage prevention. 3, in order to avoid reflections or unclear fluorescent screen, the computer should not be placed on the opposite or back of the window, the ambient lighting should be soft. If there is a window behind the operator should pull the curtains to avoid bright light directly onto the screen reflecting the bright image causing eye fatigue. Usually, the average person blinks less than 5 times per minute will dry out the eyes. A person working in front of a computer blinks only one-third as often as usual, thus reducing the secretion of intraocular lubricants and enzymes. You should blink more often and let your eyes rest at least once every hour. 4, in order to reduce eye dryness, can be appropriate in the eye point with corneal nutrient solution. Such as: Bevosol eye solution, Xiaolaiwei eye solution and some artificial tear solution. In addition, eye exercises can also play a role in relaxing the eyes and reducing visual fatigue.