One and a half year old baby 38.7 ℃, you can first physical cooling, and then follow the doctor’s advice with antipyretics to help reduce fever. Under normal circumstances baby fever 38.5 ℃ or less, you can first carry out physical cooling, with warm towels repeatedly wipe the baby’s whole body or use antipyretic patches and so on. If physical cooling is not effective or the temperature keeps rising, fever-reducing medications, such as ibuprofen and acetaminophen, need to be taken under a doctor’s supervision. Parents must give the baby more warm water to drink during the fever, if the baby repeated fever sweating, is the need to give the baby dry in time, and then put on clean clothes, pay attention to the fever do not give the child to wear too much, is not conducive to the dissipation of heat. For repeated high fever of infants and young children, need to be sent to the hospital in time to check, clear the cause of repeated fever, for the cause of targeted treatment, to avoid missing the opportunity for treatment. Chemical cooling drugs need to be used under the guidance of a doctor to avoid the wrong use of hypothermia and other dangerous situations.