Potato is a carbohydrate, but its content is only about 1/2 of the same weight of rice. Studies have shown that there is a resistant starch in potato starch, which can shrink fat cells. Potatoes are very good food, high in potassium and low in sodium, which is very suitable for obese people with edema. In addition, its potassium content is almost the highest among vegetables, so it also has the effect of slimming. Potassium helps to maintain the transmission of normal nerve impulses, help muscles contract normally and prevent muscle spasms.