Fever 38.5 ℃ fast fever reduction methods: 1, you can drink more boiled water, pay attention to warmth, cover the quilt or drink porridge to sweat, fast fever reduction. 2, you can use antipyretic drugs for fast fever reduction, generally use non-steroidal anti-inflammatory drugs, such as ibuprofen granules, acetaminophen, aspirin enteric dissolved tablets, the use of proprietary Chinese medicines, such as Xiao Chai Hu granules, cold granules, etc.. The use of indomethacin suppositories for anal plugging treatment, the use of intramuscular injection method, with compound aminobarbital for intramuscular injection treatment, can quickly reduce fever. 3, the use of physical cooling methods, such as the use of alcohol rubbing bath, and ice for fever.