A fever of 38.7°C is in the range of moderate fever, which can be treated with antipyretic drugs at this time, otherwise the body temperature going up will cause convulsions or adverse reactions. First, you can use non-steroidal anti-inflammatory drugs for fever reduction treatment, such as ibuprofen, aspirin, acetaminophen, indomethacin, for fever reduction treatment. Second, Chinese medicine, such as Xiao Chai Hu granules and Ban Lan Gen for fever reduction treatment. Third, physical cooling methods to reduce fever, such as the use of alcohol rubbing bath, the use of ice for fever reduction treatment. Fourth, you can drink more water, replenish fluids and strengthen nutrition for fever reduction treatment.