Children’s fever medication does not reduce fever may be related to drug failure, insufficient drug dosage, medication is not symptomatic and so on. 1. Drug failure: If the drug used is left over from the past, it may not be well preserved, causing the drug to appear contaminated, turbid, or too long, leading to a decrease in the effect of the drug. 2. Insufficient dosage of medication: Generally, children’s fever-reducing medication needs to be calculated according to their actual body weight, and if parents do not know how to calculate, it may also lead to insufficient dosage of medication. 3. The medication is not appropriate: the child’s fever is due to a variety of reasons, may be bacteria, viruses and other infections, may also be inflammation stimulation. If the medicine is not the right treatment effect will also be unsatisfactory. Children’s fever medication does not reduce fever, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.