Patient Sui X, male 50 years old, Bahrain right banner people, hypertension and a lot of smoking and drinking history of more than 20 years, due to sudden chest and back and epigastric pain for 2 days in the right banner hospital on December 6, suspected abdominal aortic coarctation aneurysm referred to our vascular surgery, our 64-row helical CT examination, diagnosed as a descending aortic coarctation aneurysm, rupture distance from the left subclavian artery 5cm, the whole layer of the aorta torn, patient The patient was in critical condition. All the medical and nursing staffs of vascular surgery department gave the symptomatic treatments such as antihypertensive, analgesic, etc., and with the consent of the family, they proposed to carry out the incision of common abdominal artery to place the aortic nickel-titanium alloy membrane stent to isolate the rupture and save the patient’s life. Dang Yongkang, Director of Vascular Surgery Department of Chifeng Hospital, in close cooperation with vascular surgery experts from Beijing Friendship Hospital, Dr. Bu Hongqing, Deputy Chief Physician of Anesthesiology Department, and Dr. Lv Hongzhang, Director of Interventional Department of Chifeng Hospital, completed the operation in just one hour, and the patient was rescued and discharged from the hospital 8 days later. Clip aneurysm is not uncommon in the north of China, patients usually suffer from high blood pressure, and have a history of heavy smoking and drinking, and eat a lot of meat in the high cold. Surgical treatment of this disease is rarely used due to its high risk, trauma and many complications. However, intracavitary isolation is easy to be accepted by patients because of its small incision, little trauma, and no need for general anesthesia. The successful implementation of this procedure marks a promising step forward for vascular surgery in the surgical intervention of large vessels and brings good news to patients.