Vasovagal impotence may be caused by abdominal aortic stenosis, arterial blood supply disorders, abdominal aortic aneurysm and other causes. 1. Abdominal aortic stenosis: some patients may have abdominal aortic stenosis, which will affect the normal blood circulation, if not treated in time, it is likely to lead to erectile dysfunction and vascular leakage impotence. 2. Disorders of arterial blood supply: when traumatized, patients’ arterial blood supply is impaired, which is not conducive to the closure of the penile subperitoneal vein and the conduction vein, which will easily make the penis unable to have a full and effective erection, and may also induce vascular leakage impotence. 3. Abdominal aortic aneurysm: some patients suffering from abdominal aortic aneurysm, may cause compression of the surrounding tissues and nerves, which can also lead to penile erection obstacles, so that patients with the disease. Vascular fistula impotence may also be caused by other reasons, such as arteriosclerosis, thrombosis, etc., should go to the hospital in time to clarify the cause of the disease, and choose the appropriate method of treatment.