The main reasons for hand sweating include the following: 1, individuals in a long-term high heat environment, the body produces a physiological response, through the excretion of sweat to reduce body temperature. 2, hyperhidrosis, seen in sweaty hands, sweaty feet, this disease has a genetic predisposition, is due to an increase in the body’s nerve sensitivity caused by the increase in the type of drugs that can be taken to treat, if the effect is not obvious can be surgically removed the relevant Sympathetic ganglion. 3, suffering from hyperthyroidism, this disease will lead to an increase in the body’s basal metabolic rate, due to the increase in metabolic heat, through the skin surface blood vessel dilation heat dissipation, resulting in sweaty hands, often other parts of the skin is also moist and sweaty. In addition to this, the individual may also experience a range of psychiatric symptoms, such as irritability and memory loss, which can be alleviated by taking anti-hyperthyroid medication.