Frequent sweating of the hands may be caused by psychogenic factors, localized hyperhidrosis, or by certain systemic diseases such as diabetes mellitus and hyperthyroidism. 1. Mental factors: nervousness, shock, can lead to sympathetic excitation caused by excessive sweating of the hands, is a physiological phenomenon, need to adjust the mind and emotions, generally no special treatment. 2. Localized hyperhidrosis: If the palms of the hands often sweat, the body does not have any uncomfortable symptoms, consider and localized hyperhidrosis, can be under the guidance of the doctor for medication, such as the use of antiperspirant, in order to improve the sweating situation. 3. Systemic diseases: such as diabetes damage to the autonomic function, can lead to frequent sweating hands; hyperthyroidism, patients with increased thyroxine in the blood, can also be caused by the fear of heat, sweating, resulting in sweaty hands, need to actively treat the primary disease. Sweaty hands are often considered to be related to a variety of factors, it is recommended to go to the hospital to clarify the cause, and follow the doctor’s instructions for reasonable treatment.