Appendicitis after surgery or abdominal pain, the cause may be local inflammatory stimulation reaction, follow the doctor’s instructions to take anti-inflammatory drugs can be relieved; there may be inflammatory intestinal adhesions or appendicitis and other complications caused by the appendicitis stump. The causes are different, the treatment is not the same, should consult the doctor for treatment. 1. Local inflammatory reaction: after appendiceal resection, a small amount of local inflammatory exudate will be produced, and the inflammatory reaction will lead to abdominal pain, which usually disappears within one week after surgery. Therefore, appendicitis after surgery routinely need intravenous cefuroxime, levofloxacin and other antibiotics anti-infection treatment. If the pain is severe, you can also take ibuprofen, diclofenac sodium and other painkillers. 2. Inflammatory intestinal adhesion: The postoperative inflammation exudes fluid and pus to stimulate the intestinal wall, or the intestinal wall is exposed for too long during the operation to cause intestinal adhesion, and the patient may have abdominal paroxysm, nausea, vomiting and other symptoms. This situation should be prohibited from eating and taking the above anti-infection treatment, if necessary, surgical treatment. 3. Appendicitis stump: When appendicitis surgery is performed, the appendicitis stump is retained for too long, usually more than 0.5cm, and the patient may also have symptoms similar to appendicitis, such as abdominal paroxysmal pain, nausea, vomiting, fever, etc. The patient can be treated with the above anti-infection treatment. The above anti-infection treatment can be given, and if necessary, another operation can be taken to remove the over-long appendiceal stump. Appendicitis surgery after the appearance of abdominal pain, the patient should not be taken lightly, should be timely consultation to identify the causes, symptomatic treatment.