First, diet and eye health In recent years there are many studies focusing on the relationship between diet and eye health, some studies have found that excessive fat intake of obese children are more prone to myopia; excessive sugar intake and lack of chromium and zinc, but also may be related to myopia. Children who are undernourished can also develop a variety of eye diseases. For example: insufficient protein intake and anemia can cause optic nerve ischemia, etc.; vitamin A deficiency can lead to night blindness, dry eye, corneal softening and other diseases; vitamin B deficiency, can cause dry eyes, optic neuropathy, cataracts, conjunctivitis, etc.; vitamin C deficiency can cause eye hemorrhage, cataracts, etc.; vitamin D insufficiency can lead to myopia, astigmatism, protrusion of the eyeballs and so on. In the growth and development of the baby, protein, sugar, fat, vitamins and trace elements are indispensable. Meat, fish, eggs, milk and other animal foods are rich in protein; food in cattle bones, pig bones, sheep bones and other animal bones are rich in calcium, and easy to be absorbed and utilized by the human body, others such as dairy products, soy products, fish skin, shrimp, eggs, oilseed rape, baby bok choy, peanuts, jujubes, dark green vegetables, etc. Calcium content is also more; soybeans, almonds, seaweed, kelp, mutton, yellow fish, milk powder, tea, beef, brown rice, Bran, animal liver, grape juice, nuts, etc. Containing zinc and chromium more; all kinds of vegetables and fruits can provide a wealth of vitamins. In short, only balanced nutrition can make the child’s body and eye normal development. Second, the correct understanding of eye exercises eye exercises is based on Chinese medicine massage, meridian theory, combined with sports medical synthesis of the massage method. Through the eye acupoints massage to relax the eye tension, relieve eye fatigue, over the years has been widely used in primary and secondary schools. Although there is no rigorous medical research to prove that eye exercises have a significant effect on the control of myopia, but it is through the massage of acupuncture points around the eyes, so that the blood in the eyes to eliminate ciliary muscle tension or spasm, to reduce visual fatigue has certain benefits. Eye exercises massage techniques should be gentle, do not overly force, so as not to bruise the skin, massage points to be accurate, massage before washing hands, to avoid dirty infected eyes. Third, habits and eye health Good habits and eye health are inseparable. Maintaining a positive mindset, adequate sleep and a balanced diet can enhance the child’s resistance and reduce brain and eye fatigue. Maintaining good hygiene habits is also very important. Clean hands and face can prevent some eye infectious diseases, such as conjunctivitis and keratitis. Environmental factors have a very strong influence on the development of myopia, and one of the most influential is close work. Therefore, when children are reading, they should maintain the correct posture, the reading time should not be too long, and the environmental lighting when reading should be appropriate. In recent years, with the popularization of computers, many children play computer games for a long time, which is easy to cause visual fatigue, dry eye and a series of symptoms, thus leading to the occurrence and development of myopia. Guiding children to use the computer reasonably is very necessary for their physical and mental health. In addition, appropriate sports are also conducive to the growth and development of children. Some ball games, such as badminton and ping-pong, help children develop their eye movement functions. The eyes will follow the movement of the ball, thus increasing the flexibility and accuracy of the children’s eye movements.