The organs in the right lower abdomen of the human body mainly include intraperitoneal organs such as the terminal ileum, appendix, cecum, the beginning of the ascending colon, and in female patients, the right lower abdominal cavity also has the ovaries on the right side. Retroperitoneal organs or interperitoneal organs in the right lower abdomen, mainly the right side of the kidneys and ureters, clinically present right lower abdominal diseases, including acute and chronic appendicitis, ascending colon. Tumors of the ascending colon, including benign and malignant tumors, tumors of the cecum, and tumors of the small intestine, especially the terminal ileum, such as lymphoma and mesenchymal tumors. Female patients are at risk for ovarian cysts, corpus luteum rupture, lower ureteral stones, renal tumors, and renal cysts.