The face is easy to sweat, may be physiological factors, may also be pathological factors, such as hyperthyroidism, diabetes, menopausal syndrome and other diseases caused. 1. Physiological factors: often in a hot and hot environment, eating hot food, emotional excitement, a lot of exercise, the body’s heat production increases, through sweating can reduce body temperature, causing excessive sweating, is a normal physiological performance. 2. Hyperthyroidism: Hyperthyroidism is also known as hyperthyroidism, thyroxine synthesis and release of excessive thyrotoxicosis, the body’s metabolic volume increases, the nervous system is excited, which can cause panic sweating, resulting in sweating of the whole body or face. 3. Diabetes mellitus: patients with diabetes mellitus have a hypoglycemic reaction, which may cause excessive sweating. 4. Menopausal syndrome: Entering menopause, the decline in ovarian function and the decrease in estrogen secretion may lead to vasoconstriction dysfunction, which is prone to excessive sweating symptoms. Physiological hyperhidrosis, transferred to a cool and ventilated environment, sweating can stop by itself, generally do not need special treatment. Pathologic factors cause excessive sweating, it is recommended to go to the hospital to find the cause, but also for primary disease treatment.