Pediatric pneumonia is a common disease in children, especially in infancy, and is a common cause of death in infants and young children in the winter and spring in the northern regions of China. Pneumonia can be caused by bacterial infections (commonly Streptococcus pneumoniae, Haemophilus influenzae, Staphylococcus, Pseudomonas aeruginosa); viral infections (commonly adenovirus, influenza virus, respiratory syncytial virus, measles virus); Mycoplasma pneumoniae infections; and fungal infections. The pneumonia in children can be cured in about two weeks, but because each child has different pathogens, different immune status, different severity of the disease, different treatment plans, the treatment effect will also vary, and therefore can not be generalized. In general, children with the disease can be treated by an experienced doctor in a timely manner with the help of intravenous or oral medication, which can be effective in about a week. If only oral medication is used, the effect will be slower, taking about two weeks. Pediatric bacterial pneumonia usually takes 7-10 days, and antibacterial drugs are generally used until the body temperature is normalized 5-7 days after the basic disappearance of lung rales is appropriate, and it is easy to relapse if the drug is stopped too early. However, mycoplasma pneumonia or influenza virus pneumonia requires treatment for 2-3 weeks or longer. If the disease is severe, the treatment period will be prolonged, taking about two to three weeks or longer. The use of antibiotics during the treatment of pneumonia in babies should be strictly in accordance with medical advice, early, in full dosage and for the full course of treatment. Pediatric severe pneumonia requires timely hospitalization and decisive measures such as oxygen, respiratory support, anti-cardiac failure, and bronchoscopic lavage to avoid further deterioration.