Eating right lower rib pain may be cholecystitis, intercostal neuritis, trauma, gastric ulcer, intestinal inflammation and other causes. 1. Cholecystitis: Eating too much greasy food during meals stimulates the gallbladder to contract and secrete bile, resulting in inflammatory lesions of the gallbladder, leading to obvious pain in the right lower ribs. 2. Intercostal neuritis: Inflammation of the intercostal nerves can cause pain in the right lower ribs, which can be aggravated by eating, breathing and coughing. 3. Trauma: the right rib is impacted by external force, resulting in local soft tissue injury or fracture, and the pain is aggravated after eating or activity, accompanied by broken or bruised symptoms. 4. Gastric ulcer: Eating indigestible and greasy food during meals can lead to aggravation of pain under the right rib cage, accompanied by symptoms such as acid reflux and heartburn. 5. Intestinal inflammation: patients with intestinal inflammation, stimulation of the intestinal mucosa after eating causes pain under the right rib cage, which can be accompanied by increased frequency of bowel movements and other symptoms. Eating right under the rib pain, there may be other reasons, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease and follow the doctor’s instructions for treatment.