The possible causes of stomach pain after pancreatic resection include neuropathic pain, postoperative infection and incision pain. 1. Neurogenic pain: surgical resection site pancreatic tissue will be to the relevant nerves appear damage, clinical manifestations of postoperative neurogenic pain, when the body of anesthetic completely metabolized after the pain symptoms will be exacerbated. It is recommended that the doctor should give analgesic treatment if appropriate. 2. Postoperative infection: there is a risk of infection during the surgery, when the surgical equipment or the doctor’s operation is not careful to bring germs into the abdominal cavity of the surgeon, which may cause postoperative infection, and thus local inflammatory reaction and obvious pain will occur. 3. Incision pain: The surgical incision into the abdominal cavity has not fully recovered from the operation, and the damage will still bring pain to the surgeon, but it will be relieved when the wound recovers a few days after the operation. If the pain persists, it is recommended to go to the General Surgery Department of the hospital for further examination and diagnosis, and then follow the doctor’s instructions to be treated accordingly.