Recurrent respiratory tract infection is a pediatric pulmonary disease characterized by the recurrence of upper respiratory tract infection, tonsillitis, bronchitis and pneumonia over a period of time. Children with recurrent respiratory infections are referred to as “recurrent children”. The disease is most common in children aged 6 months to 6 years, and is most common in children aged 1 to 3 years. The causes of recurrent respiratory infections mainly include: 1, the anatomical and physiological characteristics of the pediatric respiratory tract; 2, children under 5 years of age, especially infants and young children have not yet fully developed systemic immune defense; 3, many children with pre-existing underlying diseases, such as congenital bronchopulmonary abnormalities, congenital immune deficiencies or certain genetic factors; 4, may be related to nutritional status, vitamin and trace element deficiency 5. Some normal children are often affected by changes in environmental factors such as atmospheric pollution, passive smoking, changes in the environment after admission to daycare and mutual cross-infection. Second, the diagnostic criteria 2-year-old children have more than 10 respiratory infections per year, including more than 3 lower respiratory tract infections; 3-5-year-old children have more than 8 respiratory infections per year, including more than 2 lower respiratory tract infections; 6-12-year-old children have more than 7 respiratory infections per year, including more than 2 lower respiratory tract infections. The interval between two respiratory infections should be at least 7 days. Treatment measures 1. actively search and treat the underlying disease, and children with recurrent pneumonia should actively search for the cause and make a clear diagnosis in a timely manner. 2.Regular anti-infective treatment to remove the foci suitable for the incubation of pathogens. 3.Appropriate application of immunomodulators. 4. Correct malnutrition, vitamin and trace element deficiency, etc. Preventive care 1.Take a step-by-step approach to increase outdoor activities; enhance care during the season of weather changes, and dress children appropriately in warm and cold clothes. 2.Keep fresh air indoors, ventilate frequently, avoid passive smoking; do not take children to public places during the flu epidemic season, and do not let children have more contact with infected children and adults. 3.Strengthen nutrition, reasonable diet, and eat more vegetables and fruits appropriately. 4, Chinese medicine treatment (1) staged treatment: the acute infection period to anti-infection, while taking into account the physical characteristics of the child is weak. The extension period is mainly to support the righteousness, but also to eliminate the evil. In the recovery period, the main focus is on strengthening the root, and Chinese medicine is the main treatment. (2) Chinese medicine acupuncture point compress therapy: Every year, Chinese medicine acupuncture point compress therapy is used in summer and winter to reduce the number of respiratory tract infections and improve the immunity of the body. (3) Poultice therapy: The doctor prescribes a poultice prescription after determining the child’s physical identification through four consultations, and the child starts taking it around the winter solstice for about one to two months.