Pneumonia in children do bronchoscopy in cases of severe pneumonia, unknown pathogens of infection, etc. 1. Severe pneumonia: If the child suffers from severe pneumonia with pulmonary atelectasis, when there is a large patchy shadow in the lungs, bronchoscopy is needed to carry out the washout and lavage treatment of the alveoli and bronchi, so as to keep the airways open, reduce secretions, and prevent the patient from respiratory failure. 2. Infection pathogen is unknown: through the bronchoscope can be extracted from the airway secretion, through the pathogen culture, to determine what kind of pathogen infection caused by pneumonia, from the culture results of targeted application of antibiotics. There are other cases of pneumonia in children that may require bronchoscopy. Patients should follow the doctor’s instructions for treatment, and under the doctor’s guidance for examination and medication. Diet should be light, avoid stimulating food, and maintain a regular routine.