Eating foods such as beans, sweet potatoes and radishes can promote exhaustion. Soy foods not only have a large amount of protein, but also contain more oligosaccharides, but because the human intestine, lack of enzymes to break down soybean oligosaccharides, so beans in the intestine, will be used by the bacteria in the intestine, and produce a lot of gas. Sweet potatoes are not only rich in dietary fiber, starch content is also very high, sweet potatoes in the intestines, can stimulate intestinal peristalsis, producing more gas, and starch in the digestion, will also react with bacteria to produce gas, so the number of exhaust after eating sweet potatoes will also increase. Radish is a particularly common food in life, itself has a stomach, the role of gas, eat radish can not only make a lot of gas in the digestive system, but also can help improve the symptoms of intestinal flatulence.