Up to now, multiplanar reconstruction (MPR) has been widely used to detect the neurovascular compressions (NVC) on the patients with idiopathic trigeminal neuralgia (ITN). However, due to lack of stereoscopic vision, this traditional method sometimes can not meet the requirement on identifying the existence and details of NVC, especially when the aberrant vessels turn out to be delicate veins. The three dimensional analytic techniques, such as curved planar reconstruction (CPR) and magnetic resonance virtual endoscopy (MRVE), may be helpful to improve the sensitivity and specificity on the demonstration of NVC with stereo and dynamic views, so as to assist to design the surgical plan.