Sweaty palms can be caused by seasonal factors, but also by sympathetic nerve abnormalities, congenital hyperhidrosis and other diseases. 1. Seasonal factors: generally high temperatures in summer, sweltering, it is easy to lead to sweaty palms every day wet, other seasons will be improved. 2. Sympathetic nerve abnormality: Sympathetic nerve excitation can lead to sweating. Sympathetic excitation will lead to rapid heartbeat, accelerated breathing, sweating and other symptoms, such as anger, excitement, anger, nervousness and so on will lead to abnormal sympathetic excitation, which will lead to sweaty palms every day wet. 3. congenital hyperhidrosis: hyperhidrosis is caused by a variety of reasons, mainly manifested as local or generalized sweating, usually symmetrical, but also partial body sweating. Congenital hyperhidrosis is congenital hereditary. If the symptoms of sweaty palms daily wet after lifestyle modification are not relieved, you should consult a doctor in time to clarify the cause of the disease, under the guidance of the doctor for treatment.