It is recommended that the 13-valent pneumonia vaccine be withheld for babies with diarrhea, and it is recommended that the local vaccination clinic be consulted for clarification. The 13-valent pneumonia vaccine, known as 13-valent pneumococcal polysaccharide conjugate vaccine, is suitable for infants and children between 6 weeks and 15 months of age, and is used to prevent invasive diseases such as bacteremic pneumonia, meningitis, sepsis, etc. caused by pneumococcal serotypes 1, 3, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F and 23F. Contraindications are hypersensitivity to the active ingredients, excipients or diphtheria toxoid in the vaccine. Although diarrhea is not a contraindication to the vaccine, but the baby’s diarrhea is in an acute attack, the physical state is poor, should be postponed vaccination, it is best to wait for the recovery of diarrhea, and then vaccination.