Sweaty palms may be a physiological phenomenon or a symptom of certain diseases, such as hyperthyroidism, primary hyperhidrosis, etc., and the cause should be identified in a timely manner. 1. Physiological factors: sweaty palms due to being in a warm environment, or due to eating spicy, stimulating food, stimulating sweaty palms. It may also be caused by mental tension, anxiety, anger, fear and so on. 2. Pathological factors (1) Hyperthyroidism, which refers to thyrotoxicosis caused by excessive production of thyroid hormone by the thyroid gland itself, with increased excitability and hypermetabolism in the nervous, circulatory, digestive and other systems as the main manifestations, such as agitation, restlessness and insomnia, palpitation, fatigue, fear of heat, excessive sweating, emaciation, hyperphagia, increased frequency of bowel movements or diarrhea, and scanty menstruation in females, and other manifestations. (2) Primary hyperhidrosis, usually in the hands, feet, armpits or face symmetrical sweating, such as in emotional excitement, environmental temperature or activity after sweating than the normal amount of sweat to increase, commonly sweat. There may be other factors that cause it, but this symptom alone is not enough to diagnose the disease. It is recommended that if you exclude physiological causes, you should consult a doctor in a timely manner, improve the relevant examination to clarify the cause of the disease, and give targeted treatment.