The main causes of sweating on the head are: physiological factors, autonomic dysfunction, hyperthyroidism and so on. 1. Physiological factors: Being in a hotter environment or eating hotter food causes the body to lose more heat, which can lead to sweating on the head and body. 2. Autonomic dysfunction: excessive stress, tension and anxiety can lead to autonomic dysfunction, increased sympathetic excitability, increased secretion of the glands innervated by the body and increased heat dissipation, which will be manifested as sweating of the body, including sweating of the head. 3. Hyperthyroidism: With hyperthyroidism, the body’s thyroid hormone secretion increases, leading to increased metabolism and increased heat production, which can lead to sweating of the head and body. The above symptoms, after excluding physiological factors, must seek medical attention to find out the cause, do not have to miss the disease.