Intervention is a clinical discipline, which is a product of the continuous development of modern medical theory and clinical technology. Its basic principle is to treat deep lesions in the human body by various minimally invasive techniques through various channels, relying on modern medical imaging equipment. Interventional treatment integrates the superiority of medical and surgical treatment, and the treatment objects have involved various diseases in various parts of the body, with the unique advantages of no incision, small trauma, fast recovery and good effect. It has become one of the main means of modern clinical treatment and represents the future trend of medical development. The Ministry of Health and the National Science Commission have officially listed it as the third major clinical discipline alongside medical treatment and surgical treatment. The types of diseases treated include: liver cancer, lung cancer, metastatic lung cancer, kidney cancer, pancreatic cancer, esophageal cancer, stomach cancer, colon cancer, liver metastases, vertebral metastases, bone marrow cancer, hepatic hemangioma, adrenal tumors, etc. As well as: cardiovascular disease, cerebrovascular disease, pulmonary arteriovenous fistula, pulmonary artery embolism, aortic aneurysm, aortic coarctation, skeletal artery, femoral artery stenosis and occlusion, superior vena cava obstruction syndrome, inferior vena cava obstruction of Bu-plus syndrome, renal artery stenosis, acute peripheral (extremity) artery occlusion, lower extremity deep vein thrombosis, etc.