In clinical practice, adults with fever up to 39.0℃ should do the following solutions: 1. Go to the hospital for relevant examinations, mainly blood sampling, chest CT and other related ultrasound, radiology, DR and blood culture examination if necessary, to determine whether the examination results are inflammatory infections or viral infections. 2. Choose appropriate drugs according to the results, such as inflammation Fever above 39.0℃ caused by infection should be treated with antibiotics, such as penicillin, cephalosporin, moxifloxacin hydrochloride, ofloxacin and other related antibiotics. For viral infections caused by the need to apply antiviral drugs for treatment, such as Lianhua Qingfei capsule, Banlangen granules, Pu Di Lan anti-inflammatory tablets and four seasons of antiviral combination, etc. 3, adults with fever up to 39.0 ℃ or more can also choose oral antipyretic drugs, such as the more commonly used clinically acetaminophen or ibuprofen extended-release capsules have a better antipyretic effect, you can also choose aspirin oral Fever reduction. At the same time, then give physical cooling methods, using ice pillows or ice packs on the forehead, groin area or armpits can be used for physical cooling.