Baby vaccination place red swelling should pay attention to do not get wet, try to avoid clothing friction, avoid squeezing the vaccination place, usually within a few days the symptoms can be relieved, if a long time does not relieve the recommended timely medical care. After the baby vaccination, due to the baby’s skin is relatively delicate, in the syringe after the injection of liquid, not only will be left with a needle hole, may also appear red and swollen phenomenon, but do not need to worry too much, this is a normal phenomenon after vaccination, will not affect the baby’s health. After vaccination, parents need to take good care of the baby’s vaccination site, avoiding water or sweat, which may lead to infection, while trying to wear loose clothing, avoiding strangulation or squeezing the vaccination site, while avoiding friction to aggravate the symptoms. Usually the redness and swelling of the baby after vaccination will subside or significantly reduce within three days, and the needle holes will heal, if the redness and swelling does not ease for a long time, it is recommended to consult a doctor in a timely manner.