The vast majority of sexual problems in men are erectile dysfunction or premature ejaculation. Erectile dysfunction is mainly about not being able to have an effective erection during sexual intercourse and not being able to complete a normal sexual intercourse. Premature ejaculation, on the other hand, is mainly a condition where you can have an erection, but you lose control of your ejaculation, which is usually very short, and neither party achieves effective sexual satisfaction. Impotence is recommended to be treated with medications, which include sildenafil, tadalafil, and vardenafil. This is currently the most used, the most common, the most effective three drugs, are selective type 5 phosphodiesterase inhibitors, one hour before sexual intercourse orally, and then sexual intercourse, all can complete a normal sexual release. And premature ejaculation is mainly psychological factors, resulting in high sensitivity of the glans, it is recommended that the use of lidocaine spray, applied on the glans, the vast majority of them can prolong the ejaculation time.