Pneumonia vaccine for children is necessary. At present, the pneumonia vaccine for children mainly includes 13-valent pneumonia vaccine and 23-valent pneumonia vaccine. The 13-valent pneumonia vaccine is suitable for infants and children under two years old. It can effectively prevent infections caused by 13 serotypes of Streptococcus pneumoniae, including pneumonia, otitis media and meningitis. Children over two years old need to receive 23-valent pneumonia vaccine. It can effectively prevent pneumonia or other localized infections caused by 23 serotypes of Streptococcus pneumoniae. Pneumonia vaccine for children is a Class II vaccine, which is self-funded, but in general, it is necessary to receive pneumonia vaccine for children because pneumonia is a common disease in children under 5 years old. Pneumonia vaccination is recommended for children with low immunity or children with certain genetic diseases in the family. Due to individual differences, a medical professional should also be consulted for specific vaccinations.