In addition to physiological factors, excessive sweating of the palms may be caused by internal heat due to yin deficiency, dry heat of yangming (yangming disease, characterized by great heat, great thirst, great sweating, etc.), and damp-heat of the spleen and stomach. 1. Yin deficiency and internal heat, internal compression of fluid leakage, clinical in addition to excessive sweating in the palms of the hands, there may also be five heart-heat (two palms and two feet of the heart of the heat, and self-consciousness of the heart and chest heat), dry throat and mouth dryness and other symptoms. 2. The origin of Yangming disease is the famous doctor Zhang Zhongjing’s “six meridians identification”, the evil committed foot Yangming stomach meridian and hand Yangming large intestine meridian lesions, to Yangming dry heat as the main mechanism, in addition to increased sweating in the palm of the hand, but also can be seen in abdominal distension, constipation, asr hot flashes and so on. 3. In addition to increased sweating in the palms of the hands, if you also see dry mouth and desire to drink, swollen and painful gums, heavy limbs (limb weakness and fatigue), loose stools (loose stools), vomiting and malaise, it is mostly due to the internalization of damp-heat in the spleen and stomach. Sweaty palms may have other causes, do not self-medication, should be timely to the hospital, by a professional Chinese medicine practitioner to identify and treat, to avoid bringing adverse consequences to the body.