Physical cooling methods, including the following: a. Warm water rubbing bath. The parts of the bath, mainly in the parts where the large blood vessels travel, can be dipped in warm water with a small towel and wiped in the bilateral neck, armpits, groin, popliteal fossa and other parts. Second, alcohol rubbing bath. It is recommended not to use pure alcohol for bathing, but also need to mix a small amount of warm water, also with a towel dipped in wet, in the above-mentioned parts of the large blood vessels to wipe. But pay attention to the allergy to alcohol is prohibited, and alcohol bath, will produce a disulfiram-like reaction with cephalosporin antibiotics, so if you want to use cephalosporin antibiotics, or in the previous used, within a week of the patient, is not to use alcohol bath. Third, you can use ice sticks, or ice packs to physically cool the body. After wrapping the ice stick with a dry towel, clip it to the armpit or neck, which can play a role in physical cooling. But avoid prolonged cooling in the same area to avoid causing frostbite.