Potato and sweet potato calories are about the same, potato a little higher, but relative to traditional staple foods such as rice, both are not high-calorie food, can be used as a daily staple food intake. 1. Every 100 grams of potatoes contain 77 kcal of energy, which contains 17.2 grams of carbohydrates, 2 grams of protein, 0.2 grams of fat, 0.7 grams of crude fiber, and a variety of minerals, vitamins and amino acids. 2. Every 100 grams of sweet potato contains 76 kcal of energy, which contains 17.72 grams of carbohydrates, 1.37 grams of protein, 2.5 grams of crude fiber, 0.14 grams of fat, also contains a variety of minerals, vitamins and amino acids. 3. Potatoes and sweet potatoes contain their own vitamin composition, potato B vitamin content is higher, while sweet potatoes contain vitamin A higher. In the production of potatoes and sweet potatoes, try to steam, boiled way to deal with, if the use of deep-fried or pan-fried and other ways, due to the consumption of vegetable oil will increase the calorie.