Potatoes, originating in South America and elsewhere, are now cultivated throughout China. Protein, starch, gum, cellulose, amino acid, vitamins and a variety of minerals are abundant and are known as “long-lived foods”. Sugar is 15-20%. It has the effect of fighting cancer, protecting the heart, preventing emphysema, diabetes, diet, etc. 1. Penitentiary detoxification. 2. Auxiliary pressure relief. 3. Auxiliary control of blood sugar. 4 Cardiovascular protection. Increased immunity. Six against ageing. Cancer prevention。