After the injection of the vaccine after the runny nose is likely to be caused by a cold, you can let the baby oral pediatric aminophenol xuanamin granules or pediatric aminophenol alkylamine granules, for the relief of colds caused by headache, runny nose, fever and other symptoms have a very good effect. You can also use anti-inflammatory drugs as appropriate, such as roxithromycin granules. During the treatment period, you should pay attention to measuring your baby’s temperature, and if fever occurs, you should take antipyretic treatment in time, because many babies have fever and other vaccine reactions after vaccination. If fever is determined, antipyretic drugs can be taken as appropriate to avoid severe fever. Usually when the vaccine is given, it is important to try not to undress in a particularly cold room, otherwise it is likely to lead to a cold.