Objective Evaluation of 64-slice spiral CT in the diagnosis of aortic intramural hematoma application value. Method Using 64-slice spiral CT scan and vascular imaging for VR, MIP and MPR, CPR, such as image processing, analysis of the clinical diagnosis of CT manifestation of 11 patients with aortic intramural hematoma. Results 64-slice spiral CT of the powerful image processing can clearly show the aortic intramural hematoma size, shape, change and the relationship with the branch blood vessels, etc. Conclusion 64-slice spiral CT angiography imaging technology has the advantages of rapid, accurate, noninvasive and comprehensive, for aortic intramural hematoma choice treatment or follow-up observation has important clinical value.