The full name of penile vein ligation is deep dorsal penile vein ligation, which is a surgical operation mainly used to treat erectile dysfunction caused by deep venous leakage in the penis. If there is a deep dorsal penile vein fistula present, after the cavernous body of the penis fills up with blood and erects, the blood will quickly flow back through the fistula, resulting in difficulty in erection, weakness of erection, and inability to complete sexual intercourse. This is a possible cause of erectile dysfunction, and erectile dysfunction resulting from this condition usually requires deep dorsal penile vein ligation surgery to treat. The patient’s erectile function can be effectively improved after the surgery. Surgical operation has a certain risk, you need to improve the examination in a regular public hospital, by a professional doctor to carry out surgical operation, after the operation, follow the doctor’s instructions to restore the wound, if any discomfort, timely follow-up.