Chestnut is often eaten chestnut, chestnut has a stomach and spleen, tonic kidney and strong tendons. Li Shizhen in the “Compendium of Materia Medica” mentioned chestnut taste sweet, warm, into the spleen, stomach and kidney meridian. In addition, the famous Tang Dynasty physician Sun Simiao also said that chestnut kidney fruit, kidney disease should eat. Kidney disease patients, especially those with kidney yang deficiency, eating chestnuts is of some benefit. The most important symptoms of kidney yang deficiency are fear of cold, cold hands and feet, feel cold below the waist, as well as yang thing not to lift, such a body can eat chestnuts, can play a role in warming the kidneys and strengthening the yang, but it is not recommended to eat more.