1. Simple foreskin is too long: Although the foreskin covers the entire glans, if it is turned up forcibly, the glans can be completely exposed. If this kind of patients often have balanitis prepuce, they are always red and swollen, or there are red spots and desquamation on them. At this time, it is recommended that the patient be circumcised. If the foreskin is too long and there is no sign of balanitis, circumcision is unnecessary. Just pay attention to personal hygiene in daily life, open the foreskin regularly and clean the glans and the inner plate of the foreskin.
2, phimosis: this kind of patient's foreskin can't turn up, the glans can't be exposed, and usually needs surgery;
3. Others: If diabetic patients have always had balanitis prepuce, circumcision is also recommended, because diabetes is the inducing factor of infection.