Protecting your child’s eyesight mainly involves avoiding bright light exposure, avoiding prolonged viewing of electronic products, and doing more outdoor exercise. 1. Develop good eye habits: good eye habits include eye time, reading, writing posture. Sitting posture is generally required to be a fist away from the table, eyes away from the book is a foot away, holding the pen fingers away from the tip of the pen is an inch away. And reading and writing time should be controlled in about 30-40 minutes, take a break of about 5 minutes, look away during the break. 2. Avoid watching electronic products for a long time: children watch electronic products for a long time, such as watching jitterbugs, cartoons and playing games on cell phones or computers, which will cause eye fatigue. You should try to minimize the time your child spends on electronic products. 3. Do more outdoor sports: usually take your child to outdoor activities, can let your child breathe fresh air, increase the amount of exercise, and sufficient light can control the growth of the eye axis, so you can prevent and control your child’s premature myopia. In addition to the above, it is also important to maintain a healthy diet with balanced nutrition. Eat more fruits and vegetables, and avoid eating too much high-fat and high-sugar food. Regular medical checkups can also be conducted for early detection and intervention.