Nausea and vomiting after surgery is a common gastrointestinal reaction in patients with appendicitis, and is considered to be a sequela of the surgery that stretched the bowel. In addition, infection of the abdominal cavity can also lead to abnormal peristalsis, and in severe cases, paralytic intestinal obstruction can occur, and the patient will also show nausea and vomiting symptoms. Anti-infective treatment can be chosen, and intravenous fluid supplementation. If necessary, the application of drugs to protect the mucosa of the gastrointestinal tract, commonly used omeprazole, but also can be given to the pentazocine receptor antagonist symptomatic treatment, the patient’s symptoms can be improved. And after the operation should also advise the patient to leave the bed early activities, can also relieve the patient’s nausea symptoms, active treatment, monitoring changes in the internal environment indicators, the patient’s symptoms can usually be improved.