Pay attention to the distance between the eyes from the TV should not be too close, usually more than 3 meters; should not be long time reading books, generally half an hour should let the eyes rest for 10 minutes; not more than 3 hours a day; pay attention to the posture of watching TV, not deliberately lying on the bed or sofa or tilting the head to watch TV; should be turned on to watch TV, do not watch TV in complete darkness; should be avoided to watch the jumping, blurring the picture of the TV screen, If your child has a refractive error, you should ask him/her to wear glasses when watching TV; if he/she still likes to tilt his/her head or squint when watching TV, parents should be alerted to the possibility of refractive problems and come to the hospital for checkups.