The benefits of eating sweet potatoes are as follows: 1, can reduce the incidence of colorectal cancer, because sweet potatoes are rich in dietary fiber, for intestinal flora and microecological maintenance is very important, but also through the protective effect of dietary fiber in sweet potatoes, so that the intestinal tract of harmful substances and intestinal wall contact time and area are reduced, to reduce the incidence of colorectal cancer is very obvious. 2, can prevent the occurrence of obesity. Because eating sweet potatoes have an obvious sense of satiety, and thus can avoid excessive energy intake, the benefits of sweet potatoes in preventing the occurrence of obesity is also very obvious. The bad thing about eating sweet potatoes is that it may cause a large amount of stomach acid secretion, resulting in acid reflux, heartburn occurs.