Medications to eliminate gas and bloating include digestive enzymes, drugs that promote gastric motility, and probiotics and prebiotics. Digestive enzymes are drugs that can help digestion and promote the absorption of various substances such as fat, starch, protein and fiber, which can relieve the symptoms of abdominal bloating and loss of appetite. For the promotion of gastric motility drugs, commonly used are morpholine, mosapride, cisapride, domperidone, for gastritis, gastric ulcer, duodenal ulcer and other organic digestive diseases, can promote the peristalsis of the stomach and intestines, but also be able to inhibit the response of vomiting. There are also probiotics and prebiotics, common probiotics are bifidobacterium and lactobacillus, prebiotics are a dietary supplement, common are oligofructose, oligosaccharide and oligogalactose.