Lidocaine cream generally extends sex time by about 5 minutes. Lidocaine is a local anesthetic that reduces sensitivity and prolongs sex by numbing the nerves at the glans and coronal sulcus, as well as the back of the penis. However, long-term use is not recommended to avoid dependence. If too much is used, it may lead to an inability to get an erection and temporary unconsciousness, so it needs to be used with caution. Lidocaine cream may not be suitable for everyone, and it is recommended to use it properly and reasonably under the guidance of a specialist. Lidocaine cream is mainly used for premature ejaculation in men, generally need to be used about 20 minutes in advance, that is, before sex to wash the external genitalia, take a small amount of lidocaine cream evenly applied to the glans and ties and other parts, generally start with a small dose, so as not to overload the penis erection difficulties or dull sensation. In addition, men should also pay attention to personal hygiene, wash regularly, wear loose cotton underwear, avoid frequent masturbation, regular work and rest, and strengthen sports exercise.