Pain and bloating in the right upper abdomen after meals may be caused by trauma, gastric ulcer, cholecystitis, hepatic and bile duct stones. 1. Trauma: when the right side of the rib cage violence, impact and other traumatic injuries, will easily lead to soft tissue injury, rib fractures, etc., in the right epigastric subcostal pain and abdominal distension after meals may also occur. 2. Gastric ulcer: If the patient suffers from gastric ulcer, after eating a lot of greasy and indigestible food, pain and bloating in the right upper abdomen under the rib cage may also occur. 3. cholecystitis: when the patient long-term alcoholism or gallbladder area is stimulated by inflammation, may lead to cholecystitis, after meals will increase the burden on the gallbladder area, the right epigastric subcostal pain abdominal distension symptoms. 4. Hepatobiliary tract stones: If there are stones in the hepatobiliary tract, it will easily cause irritation to the surrounding tissues, which may aggravate the impact on the area after meals and cause pain and bloating under the ribs in the right upper abdomen. If you have pain and distension under the rib cage in the upper right abdomen after meals, you should go to the hospital in time to see a doctor and get a clear explanation of the cause of the disease, so as to avoid delaying your condition.