Myopia can be prevented by taking reasonable eye rest, having a balanced diet, doing more outdoor exercise, taking atropine eye drops and wearing keratoplasty lenses to control the formation and growth of myopia. The occurrence of myopia is related to genetic factors and bad eye habits, therefore, to prevent myopia from forming, it is necessary to develop good eye habits from the source, such as more outdoor exercise, reasonable rest of the eyes, avoiding prolonged close-distance use of the eyes, and the patient should also have a balanced diet, less sweets can also help prevent myopia. For patients who have already formed myopia, correcting myopia by wearing corneal reshaping lenses can slow down the growth of myopia by eliminating defocusing phenomenon, and the use of low-concentration atropine eye drops every night also has the effect of controlling the growth of myopia. Patients should be guided by their doctors to develop a reasonable treatment plan to prevent myopia.