The eyes are an important visual organ of the human body, so you must take good care of them in general, you can do the following. First, try to increase outdoor activities, can prevent the emergence of refractive error, and relieve eye fatigue. Second, read a book, television or use a computer, cell phones, try not to exceed half an hour in a row, after which you need to rest for about 10min. Third, the electronic screen should be as far away as possible, the best distance to watch TV more than 5m. Fourth, when writing homework or reading to maintain the correct sitting posture, generally require a distance of 35-40cm, do not lie down to read, and do not read in a rocking car. Fifth, the indoor light should be moderate, neither too bright, nor too dark. Sixth, to do regular checks of vision changes and eye fundus, early detection of eye diseases, and treatment.