Women’s back pain with abdominal distension is generally caused by the following causes: 1, diseases of the urinary system, when the kidneys have stones down the shape, through the ureter, stuck in the narrowing of the ureter, can have a sudden back pain, and can be accompanied by small abdominal distension symptoms. When a woman has pelvic inflammatory disease or pelvic stones, she may have back pain and a feeling of swelling in the small abdomen, so it is necessary to check pelvic ultrasound, CT and MRI for early diagnosis, early physical therapy and oral medication. In this case, pelvic ultrasound, CT and MRI are needed for early diagnosis, early physical therapy and oral medication.