If your 9-month-old baby has a fever of 39.5 degrees Celsius, antipyretic treatment needs to be given urgently. If the baby’s hands and feet are currently cold, do not let the baby sleep, it is easy to occur high fever convulsions, convulsions, need to immediately give the baby oral antipyretic drugs, such as acetaminophen or ibuprofen, at the same time, need to give the baby antipyretic stickers to assist in physical cooling, can be affixed to the forehead, the great vertebrae points, the neck and other parts of the body. At the same time, parents should use their hands to repeatedly rub the baby’s hands and feet back and forth to avoid the phenomenon of febrile convulsions, and feed the baby water in moderation is conducive to antipyretic. After oral antipyretic drugs and the combination of physical cooling for about 1-2 hours, if the child’s temperature has a tendency to gradually recede, you can continue to cooperate with physical cooling. If there is no obvious trend of fever, you need to take the child to the hospital for further antipyretic treatment, if necessary, take intravenous infusion to give antipyretic, to avoid the formation of persistent high fever on the baby.