Stomach pain one year after intestinal obstruction surgery may be caused by recurrence of intestinal obstruction, improper diet, gastrointestinal diseases and other reasons. 1. recurrence of intestinal obstruction: one year after surgery of intestinal obstruction, stomach pain may be caused by recurrence of intestinal obstruction, when the patient has intestinal obstruction, the intestinal tract may be blocked by feces, tumors and other substances, when there is a stagnation of the intestinal tract will stimulate the intestinal tract, edema, swelling occurs, so the patient may feel the pain in the stomach. 2. Improper diet, if the patient’s diet may also cause stomach pain, such as using too much spicy, cold food, or unclean diet, etc., the peristaltic function of the intestines and stomach will be disturbed, which will lead to stomach pain. 3. Gastrointestinal diseases: patients who suffer from gastrointestinal diseases, such as acute gastritis, enteritis, etc., when the inflammation of the digestive tract mucosa caused by the stimulation of the symptoms of stomach pain, accompanied by abdominal distension, defecation abnormalities and other phenomena. One year after the intestinal obstruction surgery stomach pain, patients are recommended to go to the hospital in time for examination, to clarify the cause of the disease, and give treatment as soon as possible. Good dietary habits should be maintained on weekdays to avoid aggravation of the condition.