Hypothermia in the elderly may be caused by the cold environment in which they live, less exercise, weakened metabolism, weakened body functions, reduced heat dissipation, or diseases such as shock, hypothyroidism, anemia, and so on. 1. Cold environment may lead to hypothermia. It is recommended that the elderly go to a warm environment, drink warm water or eat hot food in time to help improve the symptoms of hypothermia. 2. Older people with less activity and lower metabolism may also suffer from low body temperature, which is generally not too low and does not require special treatment or excessive stress. 3. There are also some critical conditions of the elderly, due to circulatory instability, shock will also appear low body temperature phenomenon, this situation suggests that the condition is serious, the prognosis is not good, need to actively give treatment. 4. Hypothyroidism, anemia and other diseases can also lead to low body temperature in the elderly. It is recommended that the patient consult a professional physician in time and follow the doctor’s instructions for reasonable treatment.