Physical fever reduction is recommended for adults with a low fever of 37.5℃. Physical methods to reduce fever include warm water wipes, ice packs on the forehead and so on. At the same time, the cause of the fever for the cause of treatment. 1. Wiping with warm water: Wiping forehead, neck, armpits, abdomen, groin and other places with warm water can accelerate heat dissipation. Because the forehead, neck, armpits, abdomen, groin and other places of the skin is relatively thin and rich in capillaries, so the heat will be dissipated faster, and at the same time, the evaporation of warm water will also absorb heat, cooling and fever will be faster. 2. Ice bag cold compress: this method is the ice bag pad towel on the forehead and neck, when the ice in the process of melting, will absorb heat, so as to achieve the purpose of cooling fever. 37.5 ℃ belongs to the low fever, the use of physical methods can basically succeed in reducing fever. If the above methods are not successful fever, it is recommended to go to the hospital in time to check the cause of low fever, and at the same time for the cause of treatment.