Cold sweat on the forehead is mostly due to undesirable pathological reasons, first of all, the most common reason for cold sweat on the forehead is due to colds, colds are easy to make the body’s immunity, resistance to decline in the body’s body fluid regulation is abnormal, so that the forehead appears sweaty symptoms. Secondly, cold sweat on the forehead may also be caused by qi and blood deficiency, qi and blood deficiency people are often cold sweat, night sweats, fatigue, drowsiness, qi deficiency, pallor, distraction and other undesirable symptoms. Then forehead cold sweat can also be caused by plant dysfunction, plant dysfunction will often cause the human body to appear false sweating, which is mainly due to the plant nervous system dysfunction, resulting in the regulation of body temperature and body fluids function abnormally, caused by the forehead cold sweat symptoms.