Flatulence, nausea and vomiting may be caused by irregular diet, acute gastroenteritis, gastroesophageal reflux, etc. It is recommended to adjust the diet and use drugs such as domperidone for treatment. 1. Irregular diet: If there are bad dietary habits such as overeating, alternating hot and cold food, overfeeding, etc., the gastrointestinal tract will be stimulated, and the symptoms of indigestion will appear. It is recommended to pay attention to moderate eating, light diet, not to eat cold, spicy and stimulating food, so as not to stimulate the stomach and intestines, aggravate the symptoms. When vomiting occurs, attention should be paid to water supplementation to prevent dehydration. 2. Acute gastroenteritis: generally related to unclean diet, there may be gastrointestinal bacterial infection, due to inflammation stimulation of the gastrointestinal tract and nausea and vomiting symptoms. Bifidobacterium bifidum can be taken orally to regulate the intestinal flora, and norfloxacin should be used to fight infection if necessary. If necessary, Montelukast can be used to stop diarrhea. Montelukast may cause constipation, norfloxacin may have dizziness and headache and other side effects. 3. Gastroesophageal reflux (GERD): Gastric acid is overproduced and reflux occurs, irritating the esophagus and causing nausea and vomiting, accompanied by abdominal distension. Gastric acid reflux can be treated with gastric stimulants such as mosapride and domperidone; in addition, acid-suppressing drugs such as omeprazole can be taken orally to reduce the secretion of gastric acid. Both gastric stimulants and omeprazole may have side effects such as abdominal pain and bloating. The symptoms of bloating, nausea and vomiting, it is recommended to go to a regular hospital to identify the cause and actively treat.