When children are young and have relatively poor resistance, colds and fevers are unavoidable. However, when respiratory infections occur too often in a year, more than a certain number of times, it is medically known as recurrent pediatric respiratory infections. The so-called respiratory tract infections include nasopharyngitis, tonsillitis, bronchitis, capillary bronchitis and pneumonia, and other respiratory tract infections, usually divided into upper and lower respiratory tract infections by the trachea. How to prevent recurrent respiratory tract infections? Parents should start with the following six aspects: 1. Create a good indoor environment: attention should be paid to regularly open the windows and ventilation every day, while maintaining a certain level of air humidity. The air humidity in children’s rooms in winter should be kept at about 50% to keep children’s respiratory tract moist as much as possible and reduce the chances of being attacked by germs. 2, more outdoor activities: If the weather allows, try to take children to outdoor activities, so that children can sunbathe and enhance their physical fitness. 3, appropriate clothing: do not overdress your child (even in the winter cooling should not be overdressed children), children should not cover the quilt is also too thick. When the climate changes, you should always add or subtract clothes, not just add or subtract. If your child sweats during activity, you should dry him/her with a towel in time. If your child sweats a lot after sleeping, put a small towel on his front and back chest to prevent his underwear from getting wet. Reducing sweat and wiping it off in time is an important measure to prevent children from getting cold. 4, to ensure a balanced diet for children: let children develop good eating habits, eat on time, not picky, not partial food, do not force children to eat. Milk, meat, eggs, fish, fresh vegetables and fruits should be balanced. Since vitamin A has the function of keeping the epithelial cells of human respiratory mucosa intact, resisting respiratory infections and enhancing the immune function of the muscles, children with recurrent respiratory infections should be allowed to eat more foods rich in vitamin A, such as carrots, yellow-green vegetables, yellow fruits, melons, etc. 5, avoid contact with the source of infection: in the season of high incidence of respiratory infectious diseases, try not to take children to crowded public places; if someone in the family has a cold, should avoid contact between the patient and the child. 6, reasonable use of drugs: If a child has a respiratory tract infection, symptomatic treatment should be carried out. Do not abuse antibiotics for children. Only when the child has been confirmed to have a bacterial infection, the child can be appropriately treated with sensitive antibiotics, and the medication should be strictly in accordance with the course of treatment. For children with recurrent respiratory infections, take them to the hospital for appropriate tests, if necessary, to check the levels of trace elements and immune indicators in their bodies. If the child’s body is deficient in certain micronutrients, they can be supplemented in a targeted manner. If the child has a deficiency in immune function, immune stimulation therapy can be administered. However, this treatment must be carried out under the guidance of a physician and with a sufficient course of treatment.