Since the beginning of the 1970s, interventional techniques have been used clinically, and due to the rapid development of interventional devices and interventional techniques, the target of interventional treatment has involved many diseases in various parts of the body. These include: tumor diseases: malignant tumors such as liver cancer, lung cancer, kidney cancer, pancreatic cancer, stomach and intestinal cancer, bladder cancer, malignant bone tumors, and benign tumors such as nasopharyngeal angiofibroma and hepatic cavernous hemangioma. Vascular lesions: vascular stenosis or obstruction such as carotid or renal artery stenosis, vaso-occlusive vasculitis, inferior vena cava obstruction syndrome, thrombosis such as arterial thrombosis of the lower extremities, varicose veins of the spermatic cord or ovaries, aneurysms and arteriovenous fistulas and aseptic necrosis of the femoral head. Non-vascular diseases: benign and malignant esophageal and tracheal stenosis and fistula formation such as esophageal tracheal stenosis or anastomotic stenosis and esophageal tracheal fistula, cardia failure after radiotherapy or surgery, benign and malignant biliary obstruction (obstructive jaundice) such as biliary obstruction due to bile duct cancer or pancreatic head cancer, biliary stenosis after surgery, gastrostomy, nasolacrimal duct, ureteral obstruction, disc protrusion or bulge, etc. Hemorrhagic diseases: arterial or venous gastrointestinal hemorrhage (vomiting blood and blood in stool) and unexplained long-term black stool, hemoptysis caused by lung diseases, hemorrhage of liver, spleen, kidney and other organs caused by various reasons and persistent nasal bleeding, traumatic vascular rupture bleeding, etc. Gynecological lesions: uterine fibroids, adenomyosis, ectopic pregnancy, ovarian cysts, uterine cancer, ovarian cancer, fallopian tube obstruction, etc. Neurological diseases: cerebral aneurysm, cerebrovascular malformation (AVM), carotid cavernous sinus fistula (CCF) and spinal cord vascular lesions, etc. Other lesions: various abscesses and cysts puncture and drainage, tumor biopsy for clear diagnosis, splenomegaly and hypersplenism, thrombocytopenia, pulmonary alveolar curettage, foreign body removal in soft tissue, etc. CT before intervention for primary liver cancer – intrahepatic tumor up to 6 cm Intrahepatic tumor shrunk significantly after 9 months of intervention Before intervention for esophageal cancer patient After stent implantation for esophageal cancer patient Before intervention for bile duct cancer with obstructive jaundice After stent implantation for bile duct cancer with obstructive jaundice