1 ½ months of the baby if clearly determined to be full 6 weeks of age, can be the earliest in the first injection of 13-valent pneumonia vaccine, in accordance with the current, immunization procedures, the basic immunity of its vaccination is in the baby’s second month, the fourth month and 6 months of age, respectively, each received 1 injection of the vaccine. The first dose can be given as early as 6 weeks of age, with an interval of 4-8 weeks between each dose. The booster vaccine is given at 12-15 months of age and is the last vaccine to be given. Generally, the 13-valent pneumococcal vaccine is able to prevent 13 serotypes of pneumococcal infections, and most of the babies can develop long-lasting immunity after the vaccination and do not need to be vaccinated again.