The following methods can be applied to quickly reduce fever in adults: 1. Physical antipyretic method, you can apply a hot towel or dip a towel in warm water and wipe along the head or at the brow bone to the temple area, followed by a second group of wipes along the carotid arteries bilaterally, along the frontal neck to the armpits, then the trunk, the heart of both hands and both palms. The purpose of physical cooling can be achieved by performing three groups of wipes daily, with each massage and wipe lasting about 10-15 minutes, but note that alcohol should not be used to reduce fever. 2. Non-steroidal anti-inflammatory drugs can be applied to reduce fever, such as indomethacin, compound aminobarbital, and p-direct aminophenol, all of which have a rapid effect on reducing fever. 3. Systemic treatment should also be performed for the cause, such as systemic infections The anti-inflammatory drugs can be applied to systemic infections, the antiviral drugs can be applied to viral infections, and the Chinese herbal medicine can be used to reduce fever, such as Chai Hu Tang and Xiao Chai Hu Granules, which have the effect of reducing fever quickly.