1.Cerebral angiography, renal arteriography, extremity angiography, etc. and their angioplasty. 2.Interventional treatment of obstructive diseases: acute thromboembolism, thrombosis and thrombotic atherosclerotic occlusive disease, diabetic foot, multiple aortitis, thrombo-occlusive vasculitis, etc.; deep vein thrombosis, Bou-ga syndrome, etc. 3.Interventional treatment of bleeding diseases: hemoptysis, gastrointestinal bleeding, urinary bleeding, obstetrical and gynecological bleeding, nasal bleeding, etc. 4.Interventional treatment of dilatative diseases: thoracoabdominal aortic aneurysm, thoracoabdominal aortic coarctation, visceral aneurysm. 5.Interventional treatment of various benign and malignant tumors by combining Chinese and Western medicine, such as uterine fibroids, lung cancer, liver cancer, esophageal cancer, stomach cancer, ovarian cancer, colon cancer, kidney cancer, etc. 6.Other interventional treatments such as aseptic necrosis of femoral head, esophageal stenosis, biliary stenosis, etc.