There are several possible causes of swelling and pain in the right rib cage: first, infection, when there is bone infection or osteomyelitis in the rib cage, swelling and pain in the rib cage can occur, often accompanied by an increase in skin temperature and local skin redness, which should be diagnosed with relevant X-rays and CT examinations and blood tests, and after diagnosis, early anti-infection treatment and surgery if necessary; second, tuberculosis, when there is tuberculosis in the rib cage, swelling and pain can also occur. Second, tuberculosis, when there is tuberculosis in the ribs, there can be swelling and pain, so we should perform relevant tuberculosis laboratory tests and X-ray and CT examinations of the ribs for diagnosis and treatment; third, tumors, if they are caused by metastases or their own bone tumors, such as osteoid osteoma or osteoma, we should perform relevant CT and ECT examinations for diagnosis and, if necessary, examination of the primary focus and surgical treatment; fourth, other diseases Secondary rib lesions, such as multiple myeloma, can be secondary to rib lesions, and relevant blood tests and CT and X-ray examinations of the ribs should be performed for diagnosis and early treatment.