The causes of sweaty hands and feet are related to dry heat in the body, spleen deficiency in transport and transformation, and deficiency of yin and blood, and doctors can determine the causes according to the symptoms and treat them accordingly.1. Dry heat in the body: dry heat in the Yangming meridian in the body, which causes sweaty hands and feet, accompanied by dry mouth, thirst, cold drinks, inability to discharge body heat, red skin, bad breath, hyperphagia, increased food intake, thinning body shape, yellow urine, and dry stool. Dry stools and other symptoms. We should clear the heat of the Yang Ming meridian, and we can use Da Cheng Qi Tang and Tong Gastric Cheng Qi Tang for treatment. 2. Spleen deficiency in transportation: Spleen deficiency causes malfunction of water metabolism, resulting in sweating of the hands and feet. The treatment should be to strengthen the spleen, dry dampness and stop sweating, and can use Yu Ping Feng San, Ginseng Jian Shen Wan, etc.; 3. The main manifestation is insufficient nourishment for the whole body.