Abdominal pain after hernia surgery may be caused by postoperative intestinal paralysis, enteritis, surgical complications and so on. 1. Postoperative intestinal paralysis: this is more common, because after the operation due to anesthesia caused by gastrointestinal function of peristalsis is weaker, easy to appear abdominal distension, abdominal pain, defecation reduction and so on, you can do more exercise to reduce the symptoms of intestinal paralysis. 2. Enteritis: If the enteritis is caused by dysbiosis, it will usually appear abdominal pain, watery diarrhea and other symptoms, you can take probiotics to adjust the intestinal flora. 3. Surgical complications: it may be due to postoperative intestinal adhesion, which has a relatively small probability of occurring, and may also cause abdominal pain, abdominal distension and other symptoms. If the postoperative care is not appropriate, resulting in localized oozing of fluid from the incision, oozing of blood, infection, can also trigger abdominal pain. If unexplained abdominal pain occurs after surgery, you should consult a doctor promptly to avoid delaying treatment.