I. Close eye time should not be too long, every 50 minutes or so to ensure a 10-minute break. 1, hot compress method: eyes lightly closed, two hands palms rub each other until hot, the hot hands cover both eyes, and turn the eyeball up and down; 2, eye acupuncture point massage: eye, sun, wind Chi points. 3, open the window and look far away so that the regulating muscles of the eyes can be fully relaxed. Second, the light should be moderate when using the eyes at close range. Too strong or too weak light can cause myopia. The light should be placed on the upper left corner of the desk, and the light should be turned off before going to sleep. Third, the correct posture of the near eye: the table and chair height ratio is appropriate, sitting, books placed at 30cm from the eye. Reading in a car, lying in bed or reading with a crooked head is not correct. Fourth, increase outdoor activities – such as flying kites, playing ball, hiking, etc. Scientific diet can start from the following points: ①Myopia patients are generally lack of chromium and zinc, zinc-rich foods are: oysters, soybeans, peanuts, lean meat, pork liver, fish, egg yolk, etc. Chromium-rich foods include: beef, black pepper, brown rice, corn, millet, coarse flour, brown sugar, grape juice, edible mushrooms, etc. ②Vitamins A, B1, C and E are essential nutrients for the eyes to carry out metabolism. Increasing these vitamins can also prevent corneal dryness, eye fatigue and vision loss due to excessive eye use. Foods rich in vitamin A: animal liver, egg yolk, milk, cream, cod liver oil, etc. Foods rich in vitamin C: oranges, tangerines, fresh dates, lemons, kiwis, tomatoes, hawthorn, etc. Foods rich in vitamin B1: cereal bark, beans, etc. Foods rich in vitamin E: sesame seeds, walnuts, lean meat, dairy, eggs, peanut rice, cabbage, soybeans, peanuts, walnuts, melon seeds, animal liver, egg yolk, cream, and corn, etc. ③ Some herbal drinks are good for both eyes: such as chrysanthemum, wolfberry, hawthorn, etc. boil water, you can add icing sugar, or add fruit to make fruit medicinal drinks.