1, sufficient light: reading light to light and dark appropriate, too dark reading environment will be due to font can not see clearly and reduce the reading distance, which leads to ciliary muscle tension, excessive regulation, causing reading fatigue and myopia progress; light is too strong easy to form reflections on the surface of objects, affecting the clarity of vision, and cause discomfort. After cloudy days and dusk to turn on the lighting, lighting should choose a brighter indoor environment combined with a local light source lighting to reduce the reflection of desktop paper, the local light source should be located in the upper left front, to avoid writing head, hands on the paper surface to form a shadow. 2, safe distance: the distance between the book and the eyes is 30cm is a moderate distance to read, and the height of the table and chairs should also match, should not be too high or too low, the class desktop should be slightly tilted to the reader. When watching TV should be maintained with the TV screen diagonal 6 to 8 times the distance, at least 2 meters apart. Computer operation distance as far as possible greater than 60cm. the surrounding environment should be soft light, the brightness of the computer fluorescent screen to be appropriate, good clarity. 3, the correct posture: advocate a good sitting posture to read, so that the eyes flat or mild downward gaze, which can make the neck muscles relaxed, and to ensure that the appropriate reading distance. Hunchbacked sitting, reclining, or reading while walking and sitting in a car will increase the difficulty of adjusting the collection, and is very easy to produce fatigue. 4, the appropriate time: engaged in reading distance for a continuous period of time must not be too long, to avoid the fatigue caused by long-term regulation. General children reading time for 40 to 50 minutes in a row should take a break, avoid long continuous operation of the computer or watch TV, more outdoor activities, contact with nature. Do not play video games without letting go. In addition, there should be enough sleep time every day, not less than 10 hours for primary school students and not less than 9 hours for secondary school students. 5, balanced nutrition: nutritional intake should be balanced, not partial diet, should pay special attention to the intake of vitamin B. Nature provides humans with a variety of natural foods such as meat, eggs, fruits and vegetables contain different nutrients, a reasonable mix of these food intake can meet the nutritional needs of the normal human body. 6, a healthy body: we should not only pay attention to eye protection, physical health is also closely related to the eyes, some children are after a major illness began to occur myopia. It is important to do more outdoor sports, strengthen physical exercise, and enhance physical fitness. During illness, you should pay special attention to eye protection and minimize the continuous use of eyes at close range. 7, to learn to do eye exercises. The key is to massage the parts to be accurate. Eye exercises selected several massage points, are involved in eye movement, regulation of the relevant nerve parts, the symbol is the location of the basic can touch the small bone depressions, apply a certain pressure will produce soreness, through massage, can stimulate the nerve to relax the purpose of fatigue.