Occasional injections during a fever are usually not a big deal. If injections are given frequently, it may lead to poor health and low immunity, resulting in the invasion of bacteria and viruses and the formation of frequent colds. Children with fever need to drink more water, pay attention to rest, supplement vitamin C, try to avoid going to crowded places to prevent cross-infection. Generally, oral medication can be taken to treat the fever. If the fever is caused by influenza, oral oseltamivir granules can be taken. If the child’s temperature exceeds 38.5 ℃, you can take oral acetaminophen suspension, which can treat and relieve the symptoms of fever, and has the effect of rapid fever reduction.