The main projects of interventional department include puncture biopsy surgery and vascular interventional therapy, etc., as follows: First, puncture biopsy surgery: it can be ultrasound-guided or CT-guided, mainly in some cases where the nature of specific diseases cannot be clarified, local fine needle puncture is considered to take pathology and then clarify the diagnosis. Secondly, vascular intervention: if there is a thrombus, the embolism can be removed under intervention. If it is deep vein thrombosis of the lower extremity, it is also necessary to intervene to do lower extremity venous filter placement, and at the same time, it can also do vascular cleaning. In case of liver intervention, most of them are liver tumors, interventional embolization chemotherapy of liver and iodine oil embolization can be done.