Winter and spring are high seasons for respiratory infectious diseases (such as measles and chickenpox), and children with brain injury are more susceptible due to their low immunity. And take scientific preventive measures to reduce the occurrence of such infectious diseases. 1, open the windows every day for ventilation no less than 2 times, each time 30 minutes, so that the room air fresh, circulation. 2, maintain good personal hygiene and environmental hygiene, parents and children should wash their hands and dry their bedding diligently. 3, more outdoor activities, breathing fresh air, enhance physical fitness, improve immunity. 4, pay attention to rest, balanced diet, supplement nutrition, pay attention to the disinfection of tableware. 5. Pay attention to warmth, add clothes in time to prevent catching cold. 6.Keep the room clean, do not litter, and clean up garbage and children’s excrement in a timely manner. 7.Do not go to crowded public places with dirty air. 8.Actively participate in the planned immunization, if there are symptoms of respiratory disease timely treatment and timely treatment. 9, children exposed to measles should be observed for 21 days without abnormalities; measles vaccination for susceptible children; for children who are not suitable for measles vaccination, human gammaglobulin preparations can be injected for passive immunization.