The quality of life of patients after radical prostatectomy is mainly influenced by erectile dysfunction (ED) and incontinence. New criteria for treatment and patient selection give us the opportunity to restore sexual function in more patients. When ED is present, we should not wait for 24 months for natural restitution. PDE-5-inhibitors, intracavernosal self injection therapy and the vacuum constriction device are effective and conform to both patient and economic preference.Therefore, every urologists should be able to offer his patients an individual and successful approach to the therapy of ED after prostate cancer.