Premature ejaculation mainly refers to the condition of ejaculation before entering the vagina or less than 1 minute after entering the vagina. The common causes are as follows: 1. Recent excessive indulgence or physical fatigue, resulting in poor physical response, weak erection and insufficient hardness, leading to premature ejaculation. 2, daily bad habits, frequent masturbation, high-intensity masturbation, easily lead to penile weakness, while easily induced urinary tract inflammation, which may lead to erectile dysfunction, leading to premature ejaculation situation. 3, lack of sexual knowledge or dissatisfaction with the sexual partner, lack of knowledge can easily lead to the situation of in vitro ejaculation, dissatisfaction with the sexual partner can easily lead to lack of energy and other situations. 4, inflammatory stimulation, if the patient has inflammation of the urinary tract, such as prostatitis, urethritis, etc., may lead to the appearance of premature ejaculation. Therefore, the treatment of premature ejaculation, the first or relax the pressure, to fight psychological guidance, from the psychological adjustment, while regular their habits, reduce the impact of adverse factors, if necessary, can assist certain drugs, comprehensive conditioning. The majority of the problems of premature ejaculation are still their own psychological or physical factors, most of which can be recovered without medication, through conservative treatment.