Weight loss can eat purple potatoes in moderation, but can not eat a lot of purple potatoes for a long time. In every 100 grams of purple potatoes, it is rich in 73.4g of water, 1.1g of protein, 0.2g of fat, 24.7g of carbohydrates, 0.60mg of niacin, 26.0mg of vitamin C, and 130mg of potassium. Dieters can eat purple potatoes in moderation in place of some other staple foods on a daily basis, which usually does not affect weight loss. Dietary guidelines recommend daily consumption of 50-100 grams of potatoes, purple potatoes are one of the common potatoes, purple potatoes are rich in dietary fiber, moderate intake can promote gastrointestinal tract peristalsis. As purple potatoes also contain starch, so dieters and other people should avoid long-term consumption of large quantities, otherwise it will increase body weight, and even aggravate the burden on the gastrointestinal tract, which is not conducive to the health of the body. It is recommended that those who need to lose weight pay attention to a balanced diet, strict control of sugar, high-calorie food intake. Daily can also be appropriate physical exercise, such as swimming, running, yoga, etc., help to improve the effect of weight loss.