There are many reasons why a woman sweats in the morning: first of all, there may be normal physiological causes and no effect. Women are in a higher temperature environment, the higher temperature environment is likely to lead to women’s capillary expansion, and stimulate the sweat glands to secrete sweat to dissipate heat, usually the environment can be improved by decreasing the temperature so do not have to worry about. Secondly, a woman’s morning sweat may also be due to plant nervous system dysfunction, excessive sweating is one of the common symptoms, usually need to take vitamin B1, B2 to regulate. Finally, women’s morning sweating can also be caused by undesirable diseases, such as diabetes, thyroid disease, high blood pressure and so on. These diseases often cause excessive sweating and hot flashes, which can only be relieved by treating the original disease.