Hypothermia requires removal from the cold environment, attention to warmth, and treatment such as cardiopulmonary resuscitation, correction of electrolyte balance, and medication. Hypothermia is a state in which the temperature of the deep tissues of the human body is below 35°C. The deep tissues refer to the rectum, esophagus, and other tissues that are deep in the human body. When the temperature is too low, the body tissues are unable to metabolize and function properly, which can lead to death in severe cases. Typically, hypothermia can occur from overexposure to cold or drowning in cold water, or it can be triggered by an underlying medical condition. 1. Warmth: If exposed to the cold, it is necessary to get out of the cold in time to add clothing. If you are drowning in cold water, you need to change wet and cold clothes in time and increase the heat source to improve body temperature. 2. Cardiopulmonary resuscitation: patients with hypothermia often have ventricular arrhythmia and cardiac arrest, etc., and need to actively take cardiopulmonary resuscitation. 3. Maintain fluid and electrolyte balance: pay attention to correct electrolyte disorders, especially hypokalemia. 4. Other medication: according to the patient’s condition, choose the appropriate medication. If hypothermia is caused by severe infection, antibacterial drugs can be added for treatment. Hypothermia is a kind of emergency, must pay attention to, need to be sent to the hospital immediately, otherwise can endanger the patient’s life.