objective to the clinical value of CT scan of pelvis fracture of pelvic fracture, improve the diagnosis rate, reduce misdiagnosis, missed diagnosis. Methods a retrospective analysis of 20 cases of pelvic fractures CT scan data. Results by spiral CT scans of 20 patients with diagnosis of pelvic fractures with pelvic hematoma, 4 cases of fracture of obturator muscle contusion in 2 cases, 1 case was bladder rupture. Conclusion pelvic fractures CT scan can reveal cannot be determined X-ray plain film damage, and by spiral CT scanning understanding of the fracture line, the shift of broken bones, and presence of pelvic cavity viscera damage, and provide important basis for clinical diagnosis accurately and properly handle.