Potato juice has no anti-cancer effect, potato juice has no therapeutic effect on cancer, drinking potato juice can replenish carbohydrates and other various nutrients. The main nutrients of potato juice come from potatoes, which are rich in carbohydrates and other nutrients, such as calcium, phosphorus, magnesium, potassium and so on. Each 100 grams of potatoes contains 76 calories, of which 17.2 grams of carbohydrates, 2 grams of protein, 0.2 grams of fat, 27 milligrams of vitamin C, 8 milligrams of calcium, 0.8 milligrams of iron. In addition, potatoes contain a large number of carbohydrates can supply the human body with heat, potato skin rich in protozoic acid and alpha lipoic acid and other nutrients, but there is no anti-cancer effect. Although potato juice is rich in nutrients, but there is no anti-cancer effect, cancer patients should not blindly use potato juice or other prescriptions to avoid delays in formal treatment, patients should go to the regular hospital as soon as possible for examination, active consultation, under the guidance of the doctor’s interview in accordance with standardized treatment.