Potato is a low-calorie and high-fiber food, which contains a lot of cellulose, has the effect of moistening intestines and contains almost no calories. Eating more vegetables and fruits is also because they contain more cellulose. In addition, protein in potatoes is beneficial to lose weight, while human body needs protein, and protein consumes the most calories in the process of consumption and absorption. People who exercise regularly should know that to lose weight, they should eat more egg whites (don't eat egg yolks, cholesterol and fat are in egg yolks), because protein is high in content and low in calories, and high in protein consumes more calories and is not easy to produce fat.