With recent impressive development of Andrology and treatment skills, the quality of life for patients
with sexual dysfunction has been improved through active treatment. In treatment of erectile dysfunc
tion, it is essential to remove the cause of the erectile dysfunction. Largely, psychotherapy, non-
operative method, and operative method are used for treating erectile dysfunction. Non-operative
method involves taking medicine, self-injecting of erection-inducer, inserting suppository on urethra
for inducing erection, and using vacuum constriction device.