If the flatulence is caused by overeating, you may not need to take medication and pay attention to diet to improve it. If the gastrointestinal function is weakened, you can take drugs such as domperidone and bifidobacteria. 1. If you overeat, eat greasy food such as cream, or eat too much onion and other foods that are easy to produce gas, you will feel full and bloated, which is a physiological phenomenon and does not need to be treated with medication, but mainly to improve your life. Usually pay attention to eat slowly, chew, eat small meals, reduce the burden on the gastrointestinal tract. Eat less onions, potatoes and other easy to produce gas food. 2. Slow intestinal peristalsis, intestinal flora disorders, etc., food can not be digested and absorbed in a timely manner, long time accumulation in the body will be fermented to produce gas, feel full. You can take drugs such as domperidone and mosapride to promote gastrointestinal peristalsis, accelerate gastric emptying and relieve bloating. You can also take probiotics such as bifidobacteria to improve the balance of intestinal flora and promote the digestion and absorption of food. Appearance of stomach fullness exclude diet and other physiological reasons, should promptly consult a doctor, under the guidance of the doctor to take the appropriate medication, do not arbitrarily take drugs, so as not to produce drug dependence.