Prostate artery embolization is a minimally invasive treatment that protects urinary control and ejaculatory function as an alternative to surgical treatment by blocking the blood supply to the prostate artery through interventional techniques embolization, causing necrosis and atrophy of the enlarged portion of the prostate, thereby reducing the size of the prostate and improving difficulty in urination. The technique of prostate artery interventional embolization for prostate enlargement was developed less than 10 years ago and has become increasingly common in China in recent years. The prostate artery embolization is guided by X-ray imaging system, puncturing the femoral artery, inserting a plastic catheter through the femoral artery to the blood vessels of the pelvic artery, showing the blood vessels supplying the prostate by imaging, then inserting a special embolic agent through the catheter to block the arteries of the prostate, blocking the blood nutrient supply to the prostate, causing partial necrosis and atrophy of the prostate, making the hyperplastic The prostate gland is shrunken to achieve the purpose of treatment.