Why do palms often sweat?

Palm sweating often, can be physiological reaction, can also be pathological manifestations. If the palm slightly sweating, and not accompanied by other physical discomfort, it is regarded as normal physiological phenomenon. In pathological cases, frequent sweating of the palm is mainly caused by three causes. The first cause is yin deficiency, the second cause is yangming heat, the third cause is damp-heat in the middle jiao. Among them, yin deficiency syndrome one of the typical clinical manifestations is chest distress, hands and feet fever sweating. It is the external manifestation of yin deficiency internal heat, evil heat fumigating skin, and body fluid boiling. Yin deficiency often occurs under the performance of eating spicy foods, taking warm tonic products for a long time, staying up late for a long time, mental pressure not being released for a long time, and moods often not smooth.