Children with fever should not use hot towels on the head, it will not help to reduce fever, but will aggravate the symptoms of fever. The use of hot towels on the head will increase the body temperature, especially the temperature of the forehead, but will cause brain damage and easily induce febrile convulsions. Because of the high fever, it is easy to cause the brain cells to excite the phenomenon, so that the fever convulsions, is very dangerous. This time you need to use a cold towel to put on your head, after an interval of 5-10 minutes you also need to change the towel once, the effect is better. However, when you have a fever, you can use a warm towel to wipe the skin of the whole body, which is good for lowering the body temperature. The evaporation of warm water on the body surface will take away the excess heat from the body surface, which is better for reducing the fever.