Men who are not able to have sex are more commonly known to suffer from premature ejaculation and erectile dysfunction. Premature ejaculation and erectile dysfunction, the incidence of male sexual dysfunction is the highest two. For patients with premature ejaculation, drugs can generally be used to prolong the duration of sexual life, commonly used drugs are mainly dapoxetine hydrochloride, sertraline and other drugs, this class of drugs can improve the central nervous system’s control of ejaculation, which can delay ejaculation, prolong the duration of sexual life and improve the symptoms of premature ejaculation. Erectile dysfunction is also a relatively common type of sexual dysfunction, mainly caused by insufficient blood supply to the male corpus cavernosum during sex. For erectile dysfunction, commonly used drugs mainly include sildenafil, tadalafil and so on, this kind of drugs can improve the blood supply of the cavernous body of the penis, which makes the hardness of the penis erection increase.