More sweating may be caused by high temperature, which will lead to increased sweating and more sweating, especially in the back. If you exclude the factor of high temperature, the causes of back sweating are the following: a. People with hot and humid body are prone to sweating, caused by high sympathetic excitement. Second, people with hypoglycemia are also prone to sweating. There are many reasons for hypoglycemia, with sympathetic excitement as the main manifestation, and a sudden drop in blood sugar during the attack, so sweating is more. Three, people with diabetic diseases also tend to cause sweating, because of the combined plant nerve dysfunction, often sweating profusely. People suffering from hyperthyroidism are also prone to sweating. Fear of heat and excessive sweating is one of the prominent symptoms of this disease, which is also manifested by mental tension, changeable personality, restlessness, inattention and poor sleep quality.