Heat stroke is generally divided into mild heat stroke and severe heat stroke according to the severity. Mild heatstroke symptoms are relatively mild, the prognosis is good, timely removal from the environment, rehydration treatment are able to heal. Severe heat stroke can be life-threatening and requires time-critical resuscitation. Mild heatstroke is mainly manifested in not wanting to eat, dizziness, lightheadedness, general weakness, nausea, vomiting, panic, chest tightness, flushed skin, and normal or mildly elevated body temperature. In addition to the above symptoms, severe heat stroke can also cause severe dehydration, serious electrolyte disorders, profuse sweating, generalized muscle convulsions, spasms, fainting, coma, urinary and fecal incontinence, serious multi-organ dysfunction, cardiac and respiratory arrest, acute renal failure, acute liver failure, diffuse intravascular coagulation dysfunction, rhabdomyolysis, etc. Therefore, for severe heat stroke, the patient should be sent to the hospital to save his life.