Most of the myopia in young people is “pseudomyopia”. It is a kind of functional myopia caused by excessive eye use and tension. If not treated in a timely manner, it will develop into true myopia over time. Preventive measures: Children must develop good hygiene habits from an early age. 1, train them to write and read correctly, do not lie on the table or twist the body. Books and eyes should be kept a city feet. School desks and chairs should be suitable for the size of students. 2, reading and writing time should not be too long, last 1 ~ 1.5 hours to have a short break eyes to the distance, do eye exercises. (Now the handheld devices and computer use distance and reading and writing about the same, so also pay attention to the use of time) 3, writing and reading to have the appropriate light, light is best from the left side. Do not read and write in too dark or too bright light, reduce the burden on students, and ensure a 10-minute break between classes to reduce visual fatigue. 4.Actively carry out physical exercise to ensure that students have one hour of physical activity every day. 5. Teach students to write, do not be too small and too dense, and do not write slanted or cursive characters. Do not take too long to write. 6.Carefully do eye exercises. 7.When watching TV, pay attention to the height should be level with the line of sight; the distance between the eye and the fluorescent screen should not be less than 5 times the length of the diagonal of the fluorescent screen; when watching TV, the room should be open a small branch light electric lamp, which is conducive to the protection of vision; after watching TV continuously for 1 to 1.5 hours to have a short break eyes to look into the distance, do eye exercises; 8.You should eat more food rich in A vitamin various vegetables and animal’s Liver, egg yolk, etc. Carrots contain vitamin B, which is good for the eyes; eating more animal liver can cure night blindness. Myopia patients are generally deficient in chromium and zinc, so myopia patients should eat more foods that contain more zinc. Foods such as soybeans, almonds, nori, kelp, lamb, yellow fish, milk powder, tea, meat, beef and liver contain more zinc and chromium and can be increased in moderation. It is best to take protein zinc, such as new Rarely used tablets, for zinc supplementation. Nearsightedness should be prevented and treated in stages, and caught early. Actively correct and prevent the development of depth. If myopia has occurred, go to the hospital for an optometrist and wear appropriate glasses. Pseudomyopia can be corrected using the far fog vision method, massage exercises or crystal exercises, as well as physical therapy and medication. 9, playing badminton, table tennis can prevent myopia in the process of playing ball eyes must quickly follow the badminton and table tennis such as flexible “small ball sports” trajectory changes, this is 5 to 9 years old children’s eye function perfection has unexpected benefits.