There are two main ways to reduce fever in adults, one is symptomatic treatment and the other is causative treatment. 1. Symptomatic treatment: if the body temperature after fever is lower than 38.5 ℃, you can not use medication for the time being, you can lower the temperature through physical cooling, such as warm water to wipe the body, water evaporation can take away the heat, but also drink more water to promote urination, which is also conducive to lowering the temperature. If the temperature exceeds 38.5 ℃, you need to use antipyretic drugs, such as ibuprofen. 2. Treatment of the cause: after the fever can go to the hospital to check the cause of fever, such as bacterial infection, can be treated for bacterial infection, usually need to use antibiotics, such as cefixime dispersible tablets, etc.; if it is a viral infection caused by the antiviral drugs such as ribavirin tablets, etc. treatment. It is recommended to rest more during the fever period, avoid exertion, high fever persists should be as soon as possible to consult a doctor, identify the cause of the disease and follow the doctor’s instructions for treatment.