In a normal dietary structure, it is more appropriate to eat one medium-sized sweet potato a day. The Dietary Guidelines for Chinese Residents 2022 recommends a daily intake of 50-100 grams of potatoes, which is equivalent to about one medium-sized sweet potato. Common potatoes are potatoes, yams, sweet potatoes, taro, etc. The carbohydrate content of potatoes is high, up to about 25%, and the protein and fat content is low; the content of vitamin C in potatoes is higher than that of cereals, and it is also an important source of dietary fiber, so it is an important part of a balanced dietary pattern. To consume potatoes, it is recommended to use the cooking methods of steaming and boiling, and avoid deep-frying. Excessive intake of fried potato chips and French fries can increase the risk of overweight and obesity.