Consuming sweet potato vermicelli is pretty much the same thing as consuming sweet potatoes. Sweet potatoes and persimmons can not be eaten together, if eaten at the same time, sweet potatoes in the fermentation of sugar in the stomach, will increase the secretion of gastric acid, and persimmons in the reaction of tannin, pectin precipitation cohesion, resulting in hard lumps, easy to cause vomiting, diarrhea, bloating and other abdominal discomfort symptoms, the amount of serious gastrointestinal bleeding or gastric ulcers, but also lead to gastric stone production. Sweet potatoes should not be eaten with crabs, sweet potatoes for high starch food, eaten after the stomach will produce a lot of stomach acid, and when eaten with crabs, easy to coagulate into stones in the body, easy to cause diarrhea. Eat sweet potatoes can not drink, sweet potatoes contain "gasification enzyme", eat more easy to appear after bloating, heartburn, hiccups, acid reflux, exhaust and other symptoms, and alcohol to stimulate the stomach lining, may aggravate this discomfort. Sweet potatoes should not be eaten when drinking alcohol and within 3 hours after drinking alcohol. Because alcohol and stomach acid reaction, can generate insoluble hard lumps, damage the digestive function. In addition, sweet potatoes and eggs eaten together, easy to cause indigestion. Other foods that are incompatible with sweet potatoes include chicken, bananas, and tomatoes, and it is also not recommended to eat sweet potatoes after consuming these foods to avoid abdominal pain, bloating, diarrhea, and other abdominal discomfort. Sweet potato fries can easily cause heartburn when consumed in excess.