Cold sweats are usually caused by the following four reasons: First, the most common cause is hypoglycemic reaction, which occurs when the body’s blood sugar is lower than 3.9 mmol/L. This will result in dizziness, headache, cold sweat, chest tightness, shortness of breath, palpitations, hand trembling, hand trembling and other symptoms. Secondly, cold sweat is usually caused by wind-cold type cold, when the body will excite the antigen-antibody complex to expel the virus due to the invasion of virus and bacteria, and the clinical symptoms of cold sweat will also appear. The most common cause of cold sweats is endocrine disorders caused by hyperthyroidism. In some cases of shock, such as hypovolemic shock, infectious shock, distributive shock, and anaphylactic shock, cold sweats, rapid pulse, pale face, and cold skin may occur.