〔Abstract〕 Objective To explore the changes of aortic morphological changes and influencing factors in patients with Stanford B type artery interlayer. Methods 52 patients with Stanford B-type artery interlayer in Nanyang Second People's Hospital from July 2019, were selected, and there was a row of chest aortic cavity. Preoperative preoperative, postoperative segment diameter, true and false cavity, and analyzed the influencing factors of the aortic morphological change (the maximum speed of the lower bow downside). Results The aortic arch, the largest diameter of the bow, the diameter of the abdominal aorta is higher than the preoperative, and the difference has statistical significance (P < 0.05); the diameter of the diameter of the diamuring and the aorta before surgery, the prolific diameter was reduced before surgery, and the difference was statistically significant (P <0.05); the length of the bracket length is 150 ~ 170 mm, the onset time is ≥ 90 d, the upper case, the large diameter surgery Before and after comparison, the difference has statistically significant (P < 0.05); the bracket length is 150 to 170 mm, the onset time is ≥ 90 d, the unstable sandwich is the risk factor in the aortic morphology to change risk factors. Conclusion Chronic STANFORD Type Type B-shaped carotic interpolation patients can achieve a certain therapeutic effect, the scaffold length is short, the onset time is ≥ 90 d, the unstable sandwich is the risk of affecting postoperative aortic morphology changes Factors, clinical, accordingly, prevention measures can be developed.