If the fever reaches 39℃, it means that the fever is more serious, and it is necessary to give the elderly oral antipyretic drugs, or use other ways to reduce fever. Oral antipyretic drugs can choose ibuprofen suspension or acetaminophen suspension, usually need to take 10 ml at a time, if there is a recurrence of high fever, after an interval of 4-6 hours can be given to the elderly to repeat the medication once a day, no more than four times a day to use the drug can be. In addition, you can also use indomethacin suppositories to insert into the anus of the elderly to reduce fever, this time you can insert half a tablet to reduce fever, the effect is already enough, and the duration of fever reduction is also longer. It is best to give the elderly drink more water, and then combined with physical cooling methods, physical cooling can prolong the effect of antipyretic drugs, but also can reduce the use of antipyretic drugs, to avoid the side effects of drugs. At this time, it is recommended to use a warm towel to rub the whole body skin of the elderly, especially the armpits, groin and neck rubbing bath time can be appropriately extended.