A penile semirigid prosthesis is a type of penile prosthesis that can often be used for the surgical treatment of severe erectile dysfunction. A penile semi-rigid prosthesis is usually a support that is implanted into the corpus cavernosum of the penis during a penile prosthesis implantation procedure. It can be used to treat severe erectile dysfunction, and can usually be buried in the corpus cavernosum for a long period of time after the surgery, and does not usually cause any adverse reaction or rejection. Semi-rigid penile prosthesis usually has the advantages of natural shape after implantation, cheaper price, simple surgical method and fewer post-operative complications, while it may also cause symptoms of penile pain in the short term. Patients should pay attention to the hygiene of the incision after implantation of penile semi-rigid prosthesis, keep it dry and clean, take more rest to avoid strenuous exercise, and do a good job of anti-infection treatment.