Myopia at the age of 7 may be related to genetic factors, environmental factors, bad habits, etc. Treatment includes general treatment, prescription lenses and surgery. 1. General treatment: the main thing is to correct the bad habits of eye use, avoid long time playing cell phone, reading computer, don’t lie down or lying down to read books, often do eye exercises to avoid myopia increase. 2. Dispensing treatment: such as frame glasses or contact lenses, can control the progress of myopia, is a relatively simple and safe corrective device. 3. Surgery: There are many types of surgeries, such as corneal refractive surgery, intraocular refractive surgery, posterior scleral reinforcement, etc. The specific surgery should be determined according to the actual situation. In the process of treatment, we must actively cooperate with the doctor, do not deal with it arbitrarily, so as to avoid causing adverse effects.