Too much sweat on the hands may be caused by physiological factors, such as mental tension, etc.; may also be caused by pathological factors, such as hyperhidrosis, etc., according to the different causes of their own regulation, the use of medication and so on. 1. Physiological factors: common such as nervousness, hyperactivity or fear, can lead to hypersecretion of the sweat glands, resulting in sweaty hands. This is a normal physiological phenomenon, usually do not need treatment, it is recommended that the patient to maintain a relaxed mood, avoid bad emotions, and regular rest and relaxation. 2. Pathological factors: common diseases such as hyperhidrosis, in which limited hyperhidrosis can appear in the hands of the phenomenon of excessive sweating. According to the cause of hyperhidrosis can be divided into primary hyperhidrosis and secondary hyperhidrosis. Primary hyperhidrosis: the cause of the disease is unknown, and can be treated with topical antiperspirant treatment such as 20%~25% aluminum hydride solution, or oral anticholinergic drugs (e.g., atropine, etc.) under the guidance of a doctor, the use of iontophoresis, local injection of botulinum toxin type A, or sympathetic blocking surgery to treat primary hyperhidrosis of the hands. Secondary hyperhidrosis: often caused by other diseases, such as hyperthyroidism, neurological injury, diabetes mellitus, etc. It is recommended to actively treat the primary disease, when the primary disease is cured or effectively controlled, the symptoms of excessive sweating can be improved or relieved. It is recommended that patients with excessive sweating on the hands go to a regular hospital in a timely manner, after a clear diagnosis under the guidance of a doctor to standardize the treatment, to avoid self-treatment resulting in serious adverse reactions.