Inclusion Criteria:  Patients ≥18 years old; The informed consent was signed by the patient or the legal representative; Diagnosed with Stanford B aortic dissection; The proximal anchoring area of is 18-42 mm in diameter, and not less than 15mm in length; Has a suitable arterial approach and is suitable for surgical treatment.  Exclusion Criteria:  The patient's distal vascular false cavity has been completely thrombotic or organized; Pregnant or breastfeeding ; Has participated in clinical trials of other devices ； History of aortic surgery or endovascular repair surgery ; Allergic to contrast agents and anesthetics ; Allergic to stents or conveyors ; Patients with true or false aortic aneurysm; History of myocardial infarction, TIA or cerebral infarction within the past 3 months; Life expectancy is less than 12 months; Other situations in which the investigator judges that not suitable for endovascular treatment .