1.Neoplastic diseases: malignant tumors such as liver cancer, lung cancer and esophageal cancer, benign tumors such as hepatic hemangioma and uterine fibroids. 2.Vascular diseases: pain, swelling and necrosis of limbs caused by stenosis and obstruction of blood vessels, renal artery stenosis hypertension, congenital vascular malformation, Buyiga syndrome, portal hypertensive ascites. 3, neurological vascular disease: carotid artery and internal cerebral artery stenosis, vascular malformation, cerebral aneurysm, cerebral carotid artery cavernous sinus fistula, etc. 4, ductal stenosis: benign and malignant biliary obstruction (jaundice), esophageal and tracheal stenosis, duodenal and colonic stenosis, etc. 5. hemoptysis, post-traumatic hemorrhage, postpartum hemorrhage, intractable rhinorrhea, etc. 6. vertebral osteoporosis compression fracture, vertebral metastases, etc.