The absence of testicles can affect the erectile function of the patient and can even lead to the inability to have an erection. The testicles play a very important role in the secretion of androgens, which are important for the whole body, maintaining the secondary sexual characteristics of the body, as well as the patient’s physical strength, libido and erectile function. If the testicles are gone, it will affect the patient’s erection, or even not be able to have an erection, so the testicles will not be removed as a last resort. Testicle removal is usually indicated for patients with severe trauma to the testicle that cannot be preserved, or for patients with advanced prostate cancer.