Appendicitis is an infection and inflammatory reaction in the appendix area, which can affect the normal peristalsis of the gastrointestinal tract, leading to abdominal pain, diarrhea, nausea and vomiting, and loss of appetite. If the vomiting is severe and there is vomiting after the stomach contents have been drained, it may lead to vomiting of bile. Appendicitis causes congestion of the intestines in the appendix area, and swelling affects normal bowel movements, which may cause nausea and vomiting, abdominal distension and pain, constipation or diarrhea, and, if vomiting is severe, vomiting of bile. Appendicitis should be treated promptly, and the treatment options can be minimally invasive laparoscopic surgery or open surgery. For those who are not suitable for surgical treatment, cefixime, metronidazole and other drugs need to be given to fight infection, and pay attention to rehydration and electrolytes. Appendicitis vomiting bile, you should go to the hospital as soon as possible to check the diagnosis and treatment, follow the doctor’s instructions standardized treatment.