The dangers of penile implant prosthesis include infection, pain, scrotal swelling as well as spontaneous swelling and twisting of the catheter. Penile implantation is mainly used for the treatment of erectile dysfunction. According to the relevant authoritative data, because of the large trauma of penile implantation surgery, most patients are prone to infection, pain, and scrotal swelling in case of severe symptoms. In addition, there may be mechanical complications after penile implantation of prosthesis, mainly manifested as spontaneous swelling of the prosthesis, twisting or blockage of the catheter. Secondly, it can also manifest as cylinder bulging or rupture, fluid leakage, and can be accompanied by adverse reactions such as abnormal sensation and difficulty in erecting the penis. The common types of penile implant prosthesis are non-expandable and expandable prosthesis, and the doctor will help the patient to choose the appropriate prosthesis according to the specific situation. To summarize, penile implant prosthesis is risky and patients need to decide carefully. After the surgery, patients need to strengthen their daily care and go to the hospital for follow-up appointments on time.