After circumcision, for premature ejaculation caused by high sensitivity of the glans, it can play a role in enhancing the lasting effect. For other causes of premature ejaculation, it is difficult to enhance the lasting effect. The causes of premature ejaculation are more complicated, such as the common circumcision, which can lead to high sensitivity of the glans, which in turn triggers premature ejaculation. After removing the foreskin, the glans will be in direct contact with the outside world, gradually reducing the sensitivity, and then play a role in enhancing the lasting effect. Premature ejaculation caused by psychological factors, prostatitis, glans inflammation, brain neurotransmitter abnormality and other factors, even after the circumcision, usually can not cure such diseases, improve the symptoms of premature ejaculation. For patients with premature ejaculation, if the symptoms of premature ejaculation do not improve or persist after the removal of the foreskin, they should seek medical treatment as soon as possible.