Abstract: Objective: To analyze imaging manifestation of traumatic diaphragm rupture, and provide effective imaging diagnostic basis for clinical surgery. Methods: The imaging findings of 15 patients with diaphragmatic rupture and surgical treatment from January 2011 to January 2013 were retrospectively reviewed. Results: The results of chest plain film and abdominal spiral CT of 15 patients clearly showed the location of the diaphragm rupture, the size of fracture, the formation of diaphragmatic hernia and the contents of hernia sac, among of results, the CT examination could clearly show the characteristic signs of diaphragmatic muscle interruption and contracture. Conclusion: Spiral CT performance of diaphragm rupture has characteristic, can provide effective basis for clinical surgery in combination with plain radiographs, and has a high diagnostic value in diaphragm rupture.