Objective To evaluate the worth of dual-source in left ventricular aneurysm and early reperfusion. Methods 16 cases of left ventricular aneurysm had diagnosed in our hospital were retrospectively analyzed by dual-source CT. Results Anatomical ventricular aneurysm 12 cases, Functional ventricular aneurysm 4 cases. The anterior wall of the left ventricle 3 cases, apex of heart 11 cases, lateral thrombus 1 cases, inferior wall 2 cases. Subendocardial low reperfusion 13 cases, normal 3 cases. Conclusion Dual-source CT can accurately show the type, location and size of the ventricular aneurysm and evaluate early reperfusion in left ventricular aneurysm, to provide basis for clinical treatment.