For fever, using alcohol to bathe the human skin can lower the body temperature by absorbing heat from the body. Generally, you can use gauze or a soft towel dipped in alcohol and wrung until half dry, and gently wipe the patient’s neck, chest, armpits, limbs, palms and feet. The concentration of alcohol used in the bath should not be too high, you can use 30-50% concentration of alcohol, and the temperature should not be too cool, generally between 32-35 ℃ is appropriate. After wiping, be careful to put on a single garment to prevent getting cold and keep warm. children under 16 years old using alcohol baths can easily lead to a sudden drop in body temperature and shock, so it is recommended for adults over 16 years old. In addition, alcohol baths are not suitable for the navel and waist and back, as they can easily cause skin irritation and even abdominal pain and diarrhea.