Pediatric pneumonia is the most common respiratory disease in children. It is prone to occur in all seasons. Infants under 3 years old suffer from pneumonia more often in winter and spring. If the treatment is not thorough, it is easy to relapse and cause a variety of serious complications, affecting the child's development. The clinical manifestations of pediatric pneumonia are fever, cough, shortness of breath, dyspnea and fine moist rales in the lungs. There are also patients with no fever but severe cough and wheezing. Pediatric pneumonia has typical symptoms and atypical symptoms, especially neonatal pneumonia. Pneumonia caused by bacteria and viruses is the most common. Currently, pediatric pneumonia can be prevented by vaccines. Common vaccines include Anerbao (Haemophilus influenzae type B conjugate vaccine), 7-valent pneumococcal vaccine, and 23-valent pneumococcal polysaccharide vaccine.