Abdominal distension after eating, mainly consider acute gastroenteritis, irritable bowel syndrome, cholecystitis and other conditions. 1. Acute gastroenteritis: when patients eat unclean, poorly digested food, there will be obvious abdominal pain, bloating, nausea, vomiting, abdominal distension and other discomforts. 2. Irritable Bowel Syndrome (IBS): when the patient is under stress or has obvious mood swings, he/she will also experience discomfort such as abdominal distension, constipation and diarrhea after eating. 3. Cholecystitis: when patients eat greasy food, due to cholecystitis, greasy food can not be effectively consumed and absorbed, will also appear abdominal distension. In addition, after eating small abdominal distension, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.