Myopia prevention methods are mainly the following: 1, do more outdoor sports, bathing in the sun, at least two hours a day in the outdoor sports, preferably divided equally to one hour in the morning and one hour in the afternoon, research has proved that this can effectively prevent the occurrence of myopia; 2, avoid long hours of close work, generally work 30 minutes to take a break, in order to achieve eye relaxation, the purpose of preventing myopia; 3 3, avoid prolonged use of cell phones, computers, tablets and other electronic products; 4, do more eye exercises, high-quality eye exercises can effectively relieve eye fatigue and prevent myopia; 5, study posture should be correct.