Even if the effectiveness of a poor, absolutely no impact on the intervention again, nor affect the surgery again, and even create better surgical conditions for surgery; for malignant lesions intervention can easily be repeated many times, so as to achieve the best curative effect of disease treatment; 3, accurate positioning, interventional diagnosis and treatment are in DSA, CT, B ultrasound and other imaging equipment under the surveillance, guidance, positioning 4, high efficacy, fast results, interventional treatment due to its accurate positioning, high local effect, minimal trauma is bound to appear high efficacy, fast results, such as bleeding diseases, the effect of hemostasis can be immediate, and even a lifetime without recurrence; 5, low complication rate, interventional treatment because it has accurate positioning 5, low complication rate, interventional therapy because it has accurate positioning, minimally invasive, repeatable features make its complications than surgery is much lower, part of the surgery without any complications; 6, wide application, interventional therapy is a discipline, both diagnostic and therapeutic, it is the same as internal and surgical systems, including the whole body, can be applied to any systemic diseases.