To prevent the deepening of eye prescription, it is usually necessary to pay attention to eye habits, especially to reduce the use of electronic devices at close range. And when you use your eyes at close range, such as reading a book or looking at a cell phone for about 30-40 minutes, try to look away for 2-3 minutes to play a relaxing role. Pay attention to the posture of writing and reading books to maintain a distance of more than 30cm from the book, and the correct posture of holding the pen, not to cover the line of sight, while writing, the head can not be tilted, to face a little better. In addition, it is important to ensure that you spend more than two hours outdoors every day to reduce the incidence of myopia and the progression of myopia. Usually, it is important to do the activity during the day when there is sunlight to be useful. In small children, you can consider wearing keratoplasty to slow down the growth of myopia, and low concentration of atropine drops to slow down the progression of myopia, both of which are clinically recognized in the small child population.