Disease analysis: Potatoes contain potassium, which can help sodium excrete, which is beneficial to the rehabilitation of patients with hypertension and nephritis. Potatoes also have the effects of losing weight, harmonizing middle energizer, nourishing stomach, invigorating spleen, diuresis, diminishing inflammation and detoxicating. In addition, raw potato juice also has a significant effect on pollinosis, eczema and constipation. Severe liver disease recovered quickly after drinking potato juice, and severe constipation was cured. Drinking raw potato juice makes urine protein disappear completely. Raw potato juice can strengthen the body. Drinking raw potato juice can make chest pain disappear without taking medicine.