Children’s fever infusion does not reduce fever is mostly due to disease, rehydration fluid can reduce body temperature, but also to replenish the loss of fluid due to fever, such as temperature does not fall, but also under the guidance of the doctor to be ibuprofen orally, physical hypothermia and other treatments. In addition, we should actively treat the primary disease. 1. Add antipyretic drugs: the treatment can follow the doctor’s instructions to use antipyretic drugs, such as according to the child’s weight in the body temperature over 38.5 ℃, to be ibuprofen or acetaminophen to reduce fever, and the use of lukewarm water to wipe the skin to lower the temperature physically. 2. Treatment of primary diseases: If the disease is in the acute stage, such as pneumonia caused by bacterial infection, after the use of drugs due to the disease’s own development of the law, the efficacy of the disease may appear slower, the absorption of the lesions will take a certain amount of time, in this case the baby may still not go away, can continue to treat the primary disease under the guidance of the doctor, after a period of time can be improved. 3. If the condition is in a critical state, there can be infusion and other reasonable treatment but the temperature does not fall, such children need to be reassessed by a specialist to adjust the treatment program, such as refractory Mycoplasma pneumonia, if necessary, can be adjusted to the drug such as glucocorticosteroids, etc. for treatment. The above medications should be used under medical supervision, and it is recommended to actively consult a specialist to evaluate the condition and guide the treatment.