Rubbing the stomach can make the intestinal tract peristaltic, so there will be the performance of exhaust. Diet often eat easily gas-producing food, such as onions, garlic, leeks, sweet potatoes, carbonated beverages, these foods are difficult to digest after intake into the gastrointestinal tract, long-term hoarding in the gastrointestinal tract will produce a lot of gas, there will be abdominal bloating and other performance. The hand rubs the stomach not only can promote local blood circulation, but also can make the gastrointestinal tract fast peristalsis, metabolic waste inside the intestines, gas will gradually downward movement, and finally will be discharged through the human anus outside the body, so there will be the performance of exhaust. Especially for the elderly, gastrointestinal peristaltic function is poor, the intake of food will appear more abdominal distension, by rubbing the stomach will promote intestinal peristalsis, help the rapid digestion and absorption of food, to relieve abdominal distension, indigestion, so this method for human digestion or more beneficial.