Cold sweats are usually caused by the following reasons: 1. The most common reason is the initial stage of cold, when the body is infected by bacteria or viruses, it will cause the central neuronal adjustment point of body temperature to shift upward, at this time there will be a hypothermic response, and cold sweats will occur in hypothermia. 2. When the blood sugar is lower than 3.9mmol/L, the body will have a lot of cold sweat, accompanied by palpitations, chills, hunger, etc. 3, when hypovolemic shock, the human body encounters large trauma, shock, hunger and severe anemia, there will also be such as hypovolemic shock, infectious shock, the most common symptom is cold sweat. 4, endocrine diseases, such as adrenal pheochromocytoma, hyperthyroidism will also have cold sweat.