After birth, men have foreskin outside the glans, only after adulthood, after penis development, foreskin development lags, glans will be exposed, if not, foreskin should also be able to flip out, so that it can be washed frequently for the purpose of cleaning. If it can’t be turned out, it is what we call having prepuce, and the consequences of prepuce are very dangerous because such long-term inflammation or prepuce stimulation can cause glans penis on the one hand and cancer of glans penis on the other hand, and almost all patients with penile cancer are because they have overgrown or prepuce. Therefore, patients with prepuce must be treated in time. Patients with long foreskin should also be cleaned frequently, but because the foreskin is most suitable for bacterial growth, it can often cause glans penis infection, which is also the cause of gynecological diseases in the spouse, so it is also best to have timely surgery. In pre-pubescent boys, because the penis has not developed, it is normal to have excessive skin and does not necessarily require surgical treatment. Only after puberty, or in men who often have glans penisitis, will they need surgical treatment. Unless, of course, other pathologies occur, such as pediatric glansitis, foreskin adhesions, etc. The purpose of surgery is to remove the excessively long foreskin, which facilitates foreskin cleaning; and also to retain enough foreskin to not restrict the erection of the penis when it is erect. Nowadays, in some places, in order to increase the stimulation of women during sex, special rings are put under the skin after the removal of the foreskin at the same time as the circumcision, or the foreskin is deliberately cut into a jagged shape. The so-called Korean-style painless circumcision is just commercial hype. The traditional circumcision is no different from the so-called Korean-style surgery as long as the doctor is careful or the doctor’s skill level is good, and we often see patients with infected or split incisions after the so-called laser or Korean-style surgery. We often see patients with infected or cracked incisions after using so-called laser or Korean surgery. On the question of the cost of surgery, the price of this surgery in regular hospitals is a few hundred dollars, plus the post-operative medication, or about a thousand, depending on what kind of medication is used, or how the incision heals. If it is for profit and commercial hype, the price may be expensive, and then again, many hospitals, the external claim that the cost of surgery is very cheap, but after surgery, the application of a variety of treatments, it is not cheap.