The symptoms of fever after the child’s vaccination, most of the adverse reaction to the drug, you can temporarily observe for a while, closely observe the changes in the child’s body temperature, you can drink more water, pay attention to rest. If the temperature exceeds 38.5 ℃, you can take acetaminophen suspension, with antipyretic and analgesic effect, can play a rapid role in reducing fever. If the child has symptoms such as nasal congestion, runny nose, sneezing, sore throat, etc., it is mostly the symptoms of upper respiratory tract infection caused by bacteria or virus. If the fever is caused by viral, you can use antiviral drugs to treat the symptoms. If the fever is caused by bacterial infection, antibiotics can be used to treat the symptoms. Oral Chinese medicines can also be taken, such as Pu Di Lan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid, Qing Kai Ling Granules, Ban Lan Gen Granules, Antelope’s Horn Granules and other medicines to clear away heat and toxins. Oral pediatric cold and flu granules can also be taken to treat and relieve various symptoms caused by common cold and influenza.