Generally babies with fever can use ice packs to lower their body temperature. Body temperature in 38.5 ℃ is not recommended ice; in the reach 39 ℃ or so, you can choose ice. Generally to the baby fever ice position selection in the carotid artery, that is, on both sides of the neck, in addition to the armpit ice as well as the femoral artery ice, generally 5 minutes to change a place, to prevent too long to cause frostbite. Ice is best wrapped in two towels, do not directly contact the skin, so as not to cause irritation. There is also the thigh nest, forehead, which are the place where the large arteries flow through, can take away the body’s heat to reduce body temperature.