Sweating of the head and coldness of the back are commonly caused by autonomic dysfunction, and are also seen in patients with hypoglycemia and hyperthyroidism. 1. Autonomic dysfunction: caused by mental tension, stress, anger and mental stimulation, there may be excessive sweating in the head and coldness in the back, and can be taken orally, such as ghrelin. 2. Hypoglycemia in diabetes mellitus, which is often associated with low intake of food, when there is panic in the middle of the night, fatigue, sweating in the head, and coldness in the back. 3. Hyperthyroidism, hyperthyroidism, the body’s high basal metabolic rate, there will be sweating, back cold phenomenon. There are many reasons for sweaty head and cold back, so you should go to the hospital in time to find out the reason and follow the doctor’s instructions.