The baby after vaccination due to the role of the vaccine or in the vaccination due to the alternation of hot and cold air, go out and back may cause the symptoms of runny nose, if the symptoms are not serious and there is no fever manifestation, only to give more water, feed the water to relieve the child’s symptoms can be given, at the same time pay attention to warmth, to avoid the impact of the vaccine after the use of medication, for the immune function is also not good. Parents should pay close attention to the baby’s symptoms whether there is aggravation of the situation, but also diligently measure the body temperature to observe whether the fever, such as fever, try to give the temperature within 38 ℃ under the state of low fever to drink more water, feed water, or use antipyretic patches, warm water wiping way, do not wipe to the vaccination place, try to be in the state of low fever through the physical cooling of the baby’s temperature to normal, to avoid the application of antipyretic drugs, the effectiveness of the vaccine will not be beneficial. It is also not good for the effect of the vaccine and will affect the effect of the vaccine. If the symptoms of runny nose or fever become more and more serious, then you need to take your baby to the hospital, under the guidance of the doctor to give further treatment.