The right side of the stomach pain with back pain may have the following causes: first, urinary stones, when the kidney has a kidney stone downward travel, if it passes through the ureter when stuck in the ureteral stenosis, can not continue downward travel, there will be back pain, often colic, can be paroxysmal intensification, can reflexively appear abdominal pain, can be accompanied by symptoms of hematuria, this time to carry out urinary ultrasound, imaging or If necessary, lithotripsy treatment should be performed. Second, gynecological diseases, when pelvic inflammatory disease, pelvic effusion or pelvic tumor occurs, low back pain can also occur, accompanied by stomach pain, then the relevant pelvic CT and ultrasound examination should be performed for diagnosis and treatment.