The urethral spongiosum can not be filled with blood may be damaged spongiosum blood supply is insufficient, circumcision, can be treated by surgery, drugs, functional exercise specific treatment as follows. 1. Damage to the corpus cavernosum: damage to the corpus cavernosum will lead to the corpus cavernosum can not be filled with blood, then the penis in the erection can not be filled with blood, this situation can be repaired through the surgery will be damaged by the white membrane, so that the penis can be filled with blood in the erection, but also can be prescribed choice, such as sildenafil, tadalafil, prostaglandins and so on, to improve the spongy body of the congestion. 2. Circumcision: circumcision leads to penile hypoplasia and insufficient blood flow to the corpus cavernosum, clinically the use of surgical excision of the foreskin is too long, and after the operation, Kegel exercises can be used to assist in exercising, in order to improve the insufficient blood flow to the penis. When found insufficient spongy body congestion, should also go to the hospital examination, clear what causes, early treatment, but also to develop positive good, healthy habits.