Body temperature is lower than normal body temperature may be physiological (such as environmental temperature is too low, etc.), may also be pathological (such as hypothyroidism, etc.) need to be specifically analyzed. 1. Physiological: when the environmental temperature is too low, the body temperature can be lower than normal temperature, accompanied by chills, cold and pale skin and other manifestations, which can be relieved by adding clothing, appropriate exercise, and raising the ambient temperature (e.g., turning on the warm air, etc.). 2. Pathological: If you suffer from hypothyroidism, your body’s metabolic rate will be reduced, and your body temperature may be lower than normal. Thyroid function can assist in making a clear diagnosis, and you will need to take medication (e.g., levothyroxine sodium tablets) and other treatments. Body temperature is lower than normal for a variety of reasons, need to pay attention to distinguish between physiological or pathologic, if necessary, consult a doctor to clarify, so as not to delay the condition.