Sweating in the brain is related to physiological factors such as strenuous exercise and being in a hot environment, and is also considered to be related to hyperthyroidism, tuberculosis and hypoglycemia. 1. Physiological factors: strenuous exercise, high-temperature environment, mental overstress, etc. can be caused by some people sweating, but also easy to accompany the phenomenon of sweating all over the body. 2. Hyperthyroidism: the disease is related to Graves’ disease, iodine intake relative excess. Patients are mainly characterized by agitation, restlessness, tachycardia, fatigue, excessive sweating, weight loss, etc., which may also be manifested as sweating in the head. 3. Tuberculosis: the disease is mainly caused by Mycobacterium tuberculosis infection, patients are prone to coughing, coughing up sputum, hemoptysis, night sweats (abnormal sweating after going to sleep, and waking up sweating stops), chest pain, body fatigue, and other symptoms, can also be manifested as sweating in the brain. 4. Hypoglycemia: patients with hypoglycemia may exhibit sweating in the brain due to sympathetic excitation. Hypoglycemia is related to insufficient sugar intake, insufficient sugar production and excessive sugar conversion, which can be manifested as palpitations (accelerated heartbeat, often accompanied by panic), profuse sweating, tremor of limbs, etc. Sweating in the brain is also related to eosinophilia. Sweating is also related to sympathetic excitation caused by pheochromocytoma, calcium deficiency, etc. It is recommended to exclude physiological factors and seek medical treatment as soon as possible.