Sexual life time more than three minutes is not considered premature ejaculation, less than three minutes ejaculation, indicating the existence of premature ejaculation. In sexual life, more than three minutes ejaculation, it shows that men’s sexual function is relatively normal, there is no premature ejaculation. If the sexual life time is less than three minutes ejaculation, indicating the existence of premature ejaculation, occasional premature ejaculation, generally does not cause too much impact, frequent premature ejaculation, may seriously reduce the quality of sexual life. Frequent premature ejaculation may be associated with psychosomatic factors, dorsal nerve sensitivity, prostatitis, glansitis and other factors, may also be accompanied by glans itching, perineum swelling and pain, urinary frequency, urinary urgency and other symptoms, and in serious cases, can affect male fertility. After the occurrence of frequent premature ejaculation, it is recommended to seek medical examination and treatment as soon as possible to avoid other complications.