When right-sided upper abdominal pain occurs after eating, it is considered to be related to gallbladder disease, stomach inflammation, and intestinal diseases. It is recommended that patients go to the hospital for detailed examination, clear diagnosis and symptomatic management. Common causes and treatment methods 1, gallbladder disease: patients with cholecystitis or gallstones, after the gallbladder is emptied after meals, the inner wall of the gallbladder is stimulated by inflammation, which can easily cause pain symptoms in the right upper abdomen. If spicy, stimulating and greasy food is eaten, the pain will increase. Patients can go to the hospital to do gallbladder ultrasound or upper abdominal CT to clarify the cause, under the guidance of doctors to take anti-inflammatory bile tablets to relieve pain, stone patients can be treated through surgery; 2, inflammation of the stomach: patients suffering from gastric ulcer, chronic gastritis, due to food stimulation of the gastric mucosa, easily lead to symptoms of right upper abdominal pain. Such patients should promptly go to the hospital to do electronic gastroscopy, can be under the guidance of the doctor oral omeprazole, levofloxacin and other drugs to help relieve the symptoms of discomfort; 3, intestinal diseases: colon is located in the right upper abdomen, when there is inflammation exists easily lead to right upper abdominal pain, should be for the cause of anti-inflammatory treatment, can also use probiotics to regulate intestinal flora. Note patients in the daily diet should pay attention to minimize the intake of cold, greasy, spicy food, avoid overeating, usually should drink more warm water. Right upper abdominal pain after meals should be promptly to seek medical attention, do not blindly take pain medication, so as not to delay the condition and induce other adverse reactions.