The organs of the right lower abdomen, including the appendix, appendix, terminal small intestine, ureter, and in women, the ovaries and adnexa. The presence of pain in the right lower abdomen may be a problem with the corresponding lesion. First, the most common one is appendicitis, which manifests as metastatic right lower abdominal pain, starting with upper abdominal pain and later shifting to right lower abdominal pain, and the pain worsens; second, cancer of the appendix, which can also manifest as right lower abdominal pain; third, the terminal small intestine is prone to congenital small intestinal diverticulum, which is a growth on top of the intestinal wall and can also Fourth, female patients may have lesions of the right ovary, including lesions of the right fallopian tube, which can also cause pain in the right lower abdomen; Fifth, the urological system is ureteral stones and kidney stones, which can manifest as pain in the right lower abdomen in the process of stone removal, and need to go to the corresponding department for consultation.