Ejaculation time varies from person to person, the average sexual life time of adults during sex is about 4-15 minutes, a few people time may reach 20 minutes and 30 minutes. There are some people who may have too short a time, resulting in a sexual life time of less than 2 minutes, and even some people ejaculate just after erection of the penis during sex, or ejaculate just after touching the female vagina, this phenomenon belongs to premature ejaculation, premature ejaculation in the clinic because of the high incidence of ejaculation, so it has attracted widespread attention. Premature ejaculation patients are mainly due to glans sensitivity or inflammatory diseases of the reproductive tract, such as prostatitis, prepuce and glansitis. After the emergence of this situation need to actively go to the hospital to consult, treatment, through standardized treatment to extend the sexual life time.