Different modes of abdominal aortic aneurysm surgery have different risk sizes. The risks of abdominal aortic aneurysm surgery are as follows: 1. risks of artificial vessel replacement 1. postoperative anastomotic bleeding, which may be life-threatening; 2. infection, once the artificial vessel is infected, the prognosis is disastrous; 3. thrombosis within the artificial vessel may require secondary surgery; 2. risks of minimally invasive surgery, i.e., stent placement 1. endoleaks, there are various kinds of leaks, and where leakage occurs mostly secondary surgery is performed; 2. causes bleeding, which also requires secondary surgery; 3. infection; 4. stent displacement; 5. branch stent occlusion, etc.