In order to improve your child’s immunity and prevent infection with the new coronavirus pneumonia, you should wash your hands regularly, especially before and after meals; wear a mask outside; do not go to crowded places or parties; and keep indoor air circulation. Eat nutritious foods such as fresh vegetables and fruits, drink plenty of water, and do not overeat. Parents can accompany their children to do some indoor sports, such as table tennis, youth yoga, etc., to enhance children’s physical fitness. In addition, it is necessary to pay attention to the regularity of work and rest, should not sleep late and wake up late, should develop a good habit of work and rest.