There are many causes of premature ejaculation, and premature ejaculation experts have listed a list of causes of premature ejaculation for premature ejaculation patients to learn more about their condition based on years of experience in treating premature ejaculation. Premature ejaculation is the occurrence of ejaculation before the penis touches the female genitalia and is not inserted into the vagina. Although the penis can be erected, ejaculation is too early, too fast, and the penis then withers and cannot continue sexual life, so both men and women cannot get sexual satisfaction, so premature ejaculation is one of the manifestations of male sexual dysfunction, and if premature ejaculation is not treated in time, it will easily lead to impotence in the long run. It should be pointed out here that occasional premature ejaculation cannot be called premature ejaculation, but only those who often ejaculate prematurely and cannot have sex can be recognized as premature ejaculation. The main causes of premature ejaculation in men 1, psychological premature ejaculation. The reasons for premature ejaculation are complex, and different premature ejaculation patients have different reasons for premature ejaculation. The majority of patients with premature ejaculation are psychological premature ejaculation, influenced by pathological excitement in the brain or enhanced excitement in the spinal cord, and a few are organic premature ejaculation. 2, organic premature ejaculation. The difference in physical quality and reproductive organ diseases cause premature ejaculation patients are not a minority. 3, premature ejaculation on the wedding night. Newlywed men are prone to premature ejaculation due to nervousness. 4, premature ejaculation caused by long-term or frequent masturbation. 5, excessive stimulation of the glans by men with long penile foreskin and tight underwear can cause premature ejaculation in men.