Chestnut called the woody food, known as the reputation of the hardcore crop, chestnut flavor sweet, sweet, has a high nutritional value, since ancient times, is regarded as a superior food. According to the "Materia Medica" records: chestnut taste sweet and warm, have stomach, spleen, tonic kidney, strong tendons, blood, stop bleeding effect, high medicinal value. The compendium of materia medica" on the introduction, people have internal cold, violent ejaculation, such as injection, food simmering chestnut two, three pieces of instantaneous healing. Chestnut is one of China's traditional export commodities. Tang Dynasty medical master Sun Simiao once said: "Chestnut, kidney fruit, kidney disease should be eaten; raw food for waist, feet not attempt." Ming Dynasty physician Li Shizhen in his medical masterpiece "Compendium of Materia Medica" said, eating chestnuts can benefit the blood, stomach, kidney, liver and spleen; raw food and metallurgical treatment of lumbar and leg pain, the efficacy of tendon, chestnut also has the effect of cold and diarrhea. Its nourishing function on the human body can be compared with ginseng, astragalus, angelica, etc., and cheap and easy to get, so, doubly respected by successive generations of medical practitioners.