Appropriate benefits of eating purple potatoes: 1, can be supplemented for the body anthocyanins, anthocyanins have a strong scavenging of free radicals, anthocyanins have a very good antioxidant, anti-aging effect. 2, purple potatoes in the dietary fiber by absorbing water to increase the sense of satiety, to avoid the intake of other excessive food, and then in the prevention of overweight and obesity in the benefits of the very obvious. 3, can prevent constipation occurs, because the purple potato Among the dietary fiber can also mechanically stimulate intestinal peristalsis to promote defecation, there is a good prevention of constipation benefits.