The pain after eating is usually associated with digestive system diseases, such as peptic ulcer, pancreatitis, etc. The upper abdominal pain can radiate to the back, especially the posterior gastric wall disease, after the meal may appear the performance of upper abdominal pain with posterior lumbar radiation, so when such symptoms appear, it is recommended to go to the hospital for further examination such as gastroscopy, after the examination according to the results of further treatment, and usually pay attention to the diet, the diet should be light and should pay attention to the regular diet.