The first thing to consider is whether the thermometer you use to measure your body temperature is accurate. Many normal people have a low body temperature because the thermometer is not accurate, so the performance of low body temperature is measured, after all, because this situation is rare. Sometimes there are physiological low body temperature performance, such as the external weather is too cold, but this situation belongs to the transient, generally can be self-recovery; In addition, before measurement to keep quiet and do not sweat a lot, body weakness, long-term blood deficiency affects the brain’s temperature regulation, the symptoms caused by the center, there is no need to worry too much, the problem is not big. However, patients in critical condition may also have low body temperature, which is often seen in more serious cases such as hypotension and hemorrhagic shock. It is necessary to go to the hospital for consultation.