Babies eat probiotics generally can be vaccinated, but if the baby has diarrhea and other disease symptoms need to eat probiotics, it is recommended that the disease get better before vaccination. Probiotics can regulate the intestinal flora, help the digestion and absorption of food, generally does not affect the efficacy of vaccination, so the healthy state of taking probiotics during the vaccination is generally available. However, if the baby has diarrhea, vomiting, indigestion and other symptoms, due to disease treatment needs to take probiotics, it is not recommended to take vaccination during the period of illness, need to wait for diarrhea and other symptoms to improve before you can take vaccination. Therefore, parents should pay attention to ask the doctor for vaccination precautions before vaccination.