A lot of sweat on the head during lunch break is usually related to physiological factors, or pathological factors such as autonomic dysfunction and menopausal syndrome. 1. Physiological factors: if the lunch break environment is too hot, too thick covers, room ventilation and airless, may lead to lunch break head sweat, but no pathological manifestations. 2. Pathological factors (1) autonomic dysfunction: when autonomic dysfunction occurs, the secretion of sweat is too exuberant, it will lead to a lot of sweat on the head during lunch break. (2) menopause syndrome: generally common after the age of 50, both men and women may develop, mainly manifested in abnormal sweating after sleeping, waking up sweating to stop, redness of the skin, a burst of fever, etc., these factors are related to hormone secretion disorders triggered by abnormal secretion of the sweat glands in the body, which can lead to a lot of sweat on the head of the lunch break. A lot of sweat on the head during lunch break, may also be hyperthyroidism, cerebrovascular disease, if accompanied by other symptoms, it is recommended to consult a professional physician to diagnose and analyze the cause of the disease, and then standardized treatment.