Normal axillary body temperature is 36.1~37.0 ℃, 35.8 ℃ body temperature is on the low side, may be a normal phenomenon, but do not rule out pathological factors such as hypothyroidism. If the body is in a cold environment or in a hungry state when measuring the body temperature, the measured temperature may be 35.8 ℃, usually no other uncomfortable symptoms, after eating or leaving the cold environment, the body temperature is generally able to return to normal, generally without treatment. If you suffer from hypothyroidism, due to the body’s thyroid hormone secretion is reduced, resulting in slow metabolism, and thus may appear in the body temperature of 35.8 ℃. Some patients may also be accompanied by chills, drowsiness, memory loss, constipation and other symptoms, which is not normal. Body temperature 35.8 ℃ may also be adrenocortical hypoplasia, central nervous system diseases and other causes, if accompanied by the above symptoms, it is recommended to consult a doctor in time, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, targeted treatment.