1, resulting in incarcerated glans necrosis. According to experts, once the penis is erect, it will cause the foreskin to turn over, and the foreskin mouth will get stuck in the glans, forming an incarcerated phimosis. At this time, it is easy to cause glans edema due to poor blood flow, and in severe cases, glans necrosis may occur.

2, form a small penis. If the foreskin is too long, it may also lead to abnormal penis development, forming a small penis, affecting normal sexual life and marital feelings.

3, leading to premature ejaculation. Too long foreskin may lead to premature ejaculation in men, which is very harmful. Many men with premature ejaculation can't live a normal sex life, which affects their working life and even leads to family breakdown.

4. infertility. Too long foreskin can easily lead to prostatitis in male friends, which has an impact on sperm, especially sperm vitality and semen viscosity, which may lead to male infertility.

5, carcinogenic. The harm of too long foreskin may also lead to the scale entering the vagina of women during normal sexual life, which will stimulate the uterus and induce cervical cancer.

The "Korean minimally invasive prepuce plasty" introduced by Yanling Minsheng Hospital can solve the problem quickly and painlessly. Photoion minimally invasive reproductive plastic surgery for prepuce phimosis is a cutting-edge minimally invasive technique for the treatment of prepuce phimosis. The birth of this technology has relieved the pain of many patients with long foreskin and phimosis, and avoided the shortcomings of other treatments such as excessive bleeding, easy scarring and unsatisfactory appearance.

I hope the expert's answer from Yanling Minsheng Hospital will satisfy you.