Eggs and purple potatoes are generally eaten together, can play a nutritional supplement, enhance the role of the body’s immunity. Eggs contain a variety of essential amino acids, trace elements, and minerals, eat properly to supplement the body’s required nutrients; and purple potatoes are rich in protein, trace elements, and dietary fiber, appropriate consumption can not only promote gastrointestinal peristalsis, to speed up the body’s digestive as well as the speed of nutrient absorption. However, because eggs and purple potatoes contain a certain amount of cholesterol, so patients suffering from high blood cholesterol is not recommended to eat too much purple potatoes and eggs, so as not to lead to the body’s cholesterol significantly higher, increasing the probability of cardiovascular disease.