The pain in the right lower abdomen may be caused by appendicitis, because the typical symptom of appendicitis is pain in the right lower abdomen, but it is often accompanied by fever, the pain will last for a long time, and it will be more serious when moving or eating, there will be nausea and acid reflux, and at the same time there will be an increase in the number of bowel movements or constipation. Most of them need surgery because conservative treatment is mostly ineffective and the pain in the right lower abdomen will disappear after treatment. It is also necessary to consider intestinal tuberculosis, which causes pain in the right lower abdomen along with diarrhea and fever, and the diagnosis can be confirmed by biochemical blood tests, routine stool tests, puncture fluid tests and visual examinations if necessary, and symptomatic treatment with anti-tuberculosis drugs and surgery if necessary.