Bronchoscopic alveolar lavage in children with lobar pneumonia may help in the treatment and recovery of the disease, and in principle is beneficial in accelerating the baby’s recovery. However, bronchoscopy carries certain risks and is expensive, so parents can talk to their physicians about the pros and cons of the treatment. Children’s lobar pneumonia is one of the common respiratory infectious pneumonia in childhood, refers to the acute inflammation of lung tissue caused by a variety of pathogenic infections. Bronchoscopic alveolar lavage can effectively remove respiratory secretions, take out blocked sputum plugs and necrotic tissues, and promote recovery. For children diagnosed with lobar pneumonia, bronchoscopic alveolar lavage is clinically feasible in addition to active anti-infection and symptomatic treatment. Therefore, bronchoscopic alveolar lavage may be helpful in the treatment of childhood lobar pneumonia. However, bronchoscopy involves certain risks, such as bleeding, infection and other risks, and the cost is relatively high, usually costing thousands of dollars. Therefore, parents can weigh the pros and cons of the treatment according to their baby’s condition after communicating with the doctor.