Premature ejaculation is one of the common diseases of male sexual dysfunction, the incidence of which accounts for 35%-50% of adult men. Premature ejaculation mainly refers to the short time of sexual intercourse that is ejaculation, some can not complete sexual intercourse at all, some penis has not yet contact with the woman, or just contact with the woman’s vulva or vaginal opening. Some of them have not yet made contact with the woman, or have just touched the woman’s vulva or vaginal opening. Or the penis enters the vagina soon after (generally less than 2 minutes) that ejaculation, after ejaculation the penis then weakens and cannot maintain a normal sexual life. The reasons for premature ejaculation are complex, but boil down to only two categories, namely psychological factors and organic causes. The majority of causes of premature ejaculation are psychogenic (psychological) and are influenced by pathological excitement in the brain or increased excitement in the spinal cord center. 2, a few causes of premature ejaculation are caused by organic diseases. Such as multiple sclerosis, spinal cord tumor, cerebrovascular accident, prepuce, urethritis, epididymitis, chronic prostatitis, etc. 3, some people premature ejaculation is caused by too little sexual intercourse, once sexual intercourse, due to overreaction and lead to premature ejaculation. 4, interruption of sexual intercourse is also one of the causes of premature ejaculation. 5, “Kung Fu” is not good, the action is not sophisticated. If you’re not sure what to do, you’ll be able to get a good idea of what to do. 6, women’s low libido can also contribute to premature ejaculation in men. 7, “fear of wife” is also one of the reasons for premature ejaculation. If you’re not sure what to do, you’ll be able to get a good idea of what to do. 8, excessive physical fatigue, lack of energy. 9, long-term masturbation before marriage or excessive sexual desire after marriage. The more men are afraid of ejaculating too quickly, the shorter the time of intercourse will be.