Back pain after eating too much is often related to pancreatic disease, gallbladder disease, and heart disease. Patients are advised to seek medical attention in a timely manner to clarify the cause and provide reasonable treatment. Common causes and treatments 1, pancreatic disease: such as pancreatitis, patients drink a lot of alcohol, or eat too much greasy food, may lead to pancreatitis, followed by pain in the back and left waist area. At this time, bed rest, short-term fasting, and timely consultation; 2. Gallbladder disease: such as cholecystitis, gallbladder stones, etc. After a full meal, the gallbladder suffering from inflammation is stimulated by bile causing pain and radiating to the back. It is recommended to take some liver and bile medicines to relieve the symptoms, such as gentian diarrhea liver pill, bile capsule, and in serious cases, surgery is required, such as cholecystectomy; 3, heart disease: such as angina pectoris, myocardial infarction, etc., a full meal can induce an attack of angina pectoris. The pain will radiate to the back during the attack of the disease. It is recommended to eat lightly, quit smoking and limit alcohol. If an angina attack is suspected, rest and sublingual nitroglycerin should be taken immediately to relieve the pain, and if there is no improvement in 10 minutes, call 120 immediately. precautions daily attention to a reasonable diet, avoid overeating, and eating greasy, spicy and stimulating food. Patients with postprandial back pain are advised to seek medical attention promptly to clarify whether there is a pathological disease and to treat it.