Men who ejaculate too quickly during sex are generally common to be overly nervous, and overly nervousness can easily cause rapid ejaculation. If the patient every sexual life or sexual life most of the time time is less than two minutes, generally consider that there may be premature ejaculation. Premature ejaculation is a relatively common male sexual dysfunction of a disease, mainly due to the dorsal nerve of the penis, that is, the sensory nerve of the penis afferent overly sensitive and easy to excitement, the smaller the stimulus can be caused by penile excitement induced orgasm, which makes the ejaculation is too fast, the sexual life time is too short. Premature ejaculation can generally be treated with medication, commonly used oral medications are sertraline, paroxetine, dapoxetine hydrochloride and so on. In addition, you can also use topical drugs for treatment, topical drugs such as commonly used lidocaine cream, with surface anesthesia, applied before sex can reduce the sensitivity of the glans, prolonging the time of sex.