Repeated pneumonia can generally be enhanced through strengthening nutrition, strengthening exercise, taking drugs and other methods to improve the child’s immunity. 1. Strengthen nutrition: children with recurrent pneumonia should pay attention to a light diet, usually pay attention to balanced nutrition, eat more vegetables and fruits rich in vitamins and foods rich in high quality protein, such as pears, winter melon, eggs and milk, etc., which has a certain effect on the maintenance of immunity. 2. Strengthen exercise: children with recurrent pneumonia should participate in outdoor sports, such as walking, swimming and other sports, should adhere to the daily physical exercise, pay attention to the protection in the exercise process, to avoid causing damage to the body, can maintain a strong body and maintain immunity. 3. Taking medication: Children with recurrent pneumonia can also enhance their immunity through the use of medication, such as bacterial lysis products, which are immune-stimulating agents but are contraindicated for patients with low immune function. It is recommended that children with recurrent pneumonia under the guidance of a doctor for the rational use of drugs, need to be alert to the possibility of bronchial stenosis and other structural abnormalities, can improve the bronchoscopy examination to clarify the diagnosis. Under the guidance of the doctor for targeted treatment.