Potatoes as a staple food generally can not lose weight, weight loss need to pay attention to a balanced diet, daily weight loss need to pay attention to diet plus exercise. Potatoes and rice, flour, etc. belong to the staple food, is a high starch food, carbohydrate content is high, after eating can bring energy to the body, the remaining energy may be converted into fat hoarded in the body, to provide the body with energy base. Therefore, potatoes as a staple food can not play a weight loss effect. Potatoes as a staple food, not only can not lose weight, long-term so also prone to malnutrition, resulting in a decline in body resistance. It is recommended that people who want to lose weight, daily appropriate to reduce energy intake, eat less fried high-calorie food, increase the amount of exercise, while paying attention to balanced nutrition, the development of a scientific and reasonable diet program, and then with the movement in order to achieve better weight loss results.