The use of cold or hot compresses for fever needs to be determined by the temperature of the fever and the state of peripheral circulation. If there are cold hands and feet, it is not suitable to use physical cooling methods. If there is no cold extremities, and the temperature of fever is not too high, you can use local cold compresses, for example, you can use a cool towel on the patient’s forehead, usually 5-10 minutes can be replaced once, you can also use a cool water bag pillow under the head, which helps to lower the temperature. If the fever temperature is relatively high, you can not use cold compresses, you must use warm water bath approach, with a warm towel to wipe the patient’s skin all over the body, especially the armpits, groin, neck, palms, feet, these blood vessels are more rich in the place, wipe the time to be slightly longer. Attention should also be paid to monitoring the patient’s body temperature, which should not be allowed to exceed 38.5 degrees.