Purple potatoes belong to a kind of food, and it is not recommended to talk about the distinction between “coolness” and “heatiness”, as there is no uniform definition of the classification of food flavors and there is insufficient evidence about it. However, purple potatoes are rich in nutrients and have some nutritional value to the body. Purple potatoes contain carbohydrates, energy, protein, copper and other nutrients, it contains other nutrients such as vitamin A, vitamin C, thiamin, riboflavin, choline, vitamin B6, potassium, magnesium, manganese and other components. Therefore, the above nutrients can provide the body with some of the required nutrients, can maintain the physiological function of the body to a certain extent. However, purple sweet potato is not a drug, has not been proved to have any therapeutic function, so there is no therapeutic effect on the body’s disease. Although purple potatoes have the above nutrients, but excessive consumption is likely to cause gastrointestinal discomfort, it is recommended to eat in moderation.