Hypothermia is a condition in which the body’s temperature is too low. A variety of causes can lead to a decrease in heat production or an increase in heat loss, resulting in a lower-than-normal body temperature. Clinical manifestations include pale, cold skin, purple lips or earlobes, slowed heartbeat and respiration, lowered blood pressure, decreased urine output, and in severe cases, impaired central nervous system function leading to impaired consciousness or even coma. Hypothermia is the human body is in a more serious pathological condition performance, because hypothermia itself can be fatal, so once the hypothermia, in addition to pay attention to the patient to keep warm, but also should be timely to the hospital.