1, body surface hyperthermia therapy refers to keeping warm for patients with hypothermia and surgical patients before, during and after operation. After using warm blanket or warm equipment, it can effectively reduce the patient's body temperature and reduce the occurrence of hypothermia during operation.

2. Blood heating refers to heating blood products with a blood heater or other means, and giving blood transfusion to patients after reaching a certain temperature. Blood warming can effectively prevent a large number of cryogenic liquids from entering the patient's body, causing irritation and adverse reactions. It is generally used for patients who need a lot of rapid blood transfusion, infant exchange transfusion treatment and patients with some coagulation hormones in their bodies.