Babies with diarrhea as far as possible, do not get vaccinated, may affect the effect of vaccination or lead to the baby’s physical discomfort and other symptoms. The purpose of baby vaccination is to prevent the occurrence of a certain disease, for the baby’s body is a kind of external stimulation, some babies may have fever, nausea, vomiting and other adverse reactions after vaccination. If the vaccination is given during the baby’s diarrhea, it may aggravate the degree of diarrhea and also affect the effectiveness of the vaccine. Therefore, it is not recommended that babies be vaccinated during diarrhea, and can be vaccinated in the hospital when the baby recovers from diarrhea, which usually does not affect the effectiveness of the vaccine.