Condoms are very commonly used by men and women when they have sex. Condoms not only prevent pregnancy, but also prevent many sexually transmitted diseases from occurring. Condoms also have different functions in life, such as the commonly used delayed condom for premature ejaculation patients have a very good therapeutic effect. The condom contains benzocaine, which is a surface anesthetic drug, and after wearing the condom, the drug is in full contact with the glans, which plays an anesthetic role on the nerves of the glans, thus reducing sensitivity and prolonging the sexual life in the process of sex, thus improving the symptoms of premature ejaculation, which has a certain therapeutic effect on patients with premature ejaculation.