Objective: To investigate CT angiography (CTA) and the ability to display the diagnostic value of cerebral arteriovenous malformation (AVM) is. Methods: CTA 10 例AVM diagnosis confirmed by DSA and surgical control, nuclear magnetic resonance (MRI) through the common method of diagnosis of AVM, CT angiography (CTA) and digital subtraction angiography (DSA), these three methods were compared. Conclusion: The means of different images, each with AVM diagnostic value, CTA can become the preferred screening method.