Back pain after eating is considered to be related to pancreatitis, esophagitis, cholecystitis and other diseases. 1. Pancreatitis: back pain after eating may be caused by pancreatitis, mainly because pancreatitis may recur after eating, the symptoms of back strip-like pain. 2. Esophagitis: If you have back pain after eating, you may suffer from esophagitis, which can cause pain in the esophagus in the chest, and may involve the back and cause pain symptoms. 3. cholecystitis: if you suffer from cholecystitis, when you eat some greasy food, it will lead to contraction of the gallbladder, which will lead to radioactive pain in the back. It should be noted that although the above diseases may cause pain in the back after eating, it can’t be determined in this way, and it is necessary to consult a doctor in time for CT, ultrasound and other examinations, and then judge under the guidance of the doctor.