Sweet potato vermicelli does not have any efficacy to supplement the body with carbohydrates and other nutrients. Sweet potato vermicelli is food, there is no any special effect, can not prevent and cure diseases. Sweet potato vermicelli is rich in nutrients, each 100g sweet potato vermicelli contains 83.7g carbohydrate, 15g water, 0.8g protein, 0.6g dietary fiber and other nutrients, as a staple food, appropriate consumption can supplement the body’s energy and other nutrients needed. Because sweet potato flour contains more sugar, diabetic patients need to appropriately limit intake. In addition, the people who are allergic to sweet potato vermicelli should not consume it to prevent allergic symptoms such as generalized itching and red rash. Sweet potato vermicelli has no efficacy, patients should not treat diseases through food. If the patient’s body has uncomfortable symptoms, should promptly seek medical attention.