Weight loss can eat sweet potatoes in moderation at night. Every 100 grams of sweet potato contains 86 calories, of which 20.12 grams of carbohydrates, 1.57 grams of protein, 0.1 grams of fat, 3 grams of dietary fiber. It can be seen that the vast majority of sweet potato calories from carbohydrates. Weight watchers eat sweet potatoes at night, and accordingly reduce the intake of other staple foods, help control the total calorie. Because the sweet potato calories relative to rice, noodles and other traditional staple foods lower, while rich in dietary fiber, a strong sense of satiety. However, it is important to control the intake of sweet potatoes, if the intake is excessive, it can still lead to weight loss failure. During weight loss, we should pay attention to a balanced diet, vegetables, fruits, meat, staple foods, etc. should be consumed in moderation to ensure balanced nutrition. Seek medical attention as early as possible if you feel unwell.