Pneumonia vaccination schedule should be decided according to the specific type, commonly used are 13-valent pneumococcal polysaccharide conjugate vaccine, 23-valent pneumococcal polysaccharide vaccine. 1. 13-valent Pneumococcal Polysaccharide Conjugate Vaccine (PPCV): basic immunization, one dose each at 2, 4 and 6 months of age, and a booster shot at 12 to 15 months of age. Basic immunization can be given as early as six weeks of age, with subsequent doses given at intervals of four to eight weeks. The main clinical target groups are infants and children between 6 months and 15 months of age. 2.23-valent pneumococcal polysaccharide vaccine: it is suitable for people over 2 years old with impaired immune function, and is usually given as a single subcutaneous or intramuscular injection. Pneumococcal vaccine should be injected in regular medical institutions, and the adverse reactions and contraindications of the vaccine should be noted.