Sweet potato is only a kind of common food in our life, it does not have the efficacy and effect, and can provide carbohydrates and other nutrients. Sweet potato is a common potato food in daily life, 100g of sweet potato contains water (72.6g), energy (460KJ), protein (1.4g), carbohydrates (25.2g), vitamin C (24.0mg) and other nutrients, but also contains calcium (24mg), potassium (174mg), sodium (58.2mg) and so on. However, due to the more limited nutrients in sweet potatoes, appropriate consumption can only be appropriate for the body to provide nutrients, and does not have a special effect and function. Usually need to develop good eating habits, to ensure balanced intake of nutrients can be. It is recommended to plan a reasonable diet, avoid single consumption of sweet potatoes, and not through the consumption of sweet potatoes to treat diseases.