Erectile dysfunction, also known as impotence, is one of the common sexual dysfunction diseases in men, caused by a combination of factors, which can be divided into physiological, organic, and mixed factors. Generally for young and middle-aged men with erectile dysfunction, if it is not accompanied by other obvious diseases, it is still mainly due to psychological reasons, such as excessive pressure of life and work, excessive mental tension and anxiety, as well as long-term fatigue, staying up late, and poor lifestyle. In addition, the lack of sexual life experience, skills, men and women with bad feelings, poor cooperation, etc., can appear erectile dysfunction. For men over 50 years old, as they get older, hormone levels decline and different degrees of poor erectile function are bound to occur. This is especially true when accompanied by a number of diseases, such as long-term diabetes, hypertension, vascular atherosclerosis, etc. In addition, Parkinson’s syndrome, cerebrovascular diseases, etc., can cause erectile dysfunction. Some oral medications, such as antihypertensive drugs, drugs for prostate enlargement or prostate cancer, and drugs for depression, etc. There are also injuries to the pelvis and spinal cord, and poor erectile function can occur after certain pelvic surgeries, such as radical rectal cancer surgery and radical prostate cancer surgery.