A long foreskin or circumcision can easily lead to localized inflammation and increase the incidence of penile cancer, so it is important to pay attention to it. Generally speaking, the following cases should be considered for circumcision treatment. 1, circumcision: due to the inability to upturn the foreskin, can not keep the circumcision cavity clean, so it is necessary to early surgical treatment; 2, the foreskin is too long, it is inconvenient to wash, can not keep the local clean; 3, the foreskin is too long, although often wash, but still occurs in the local redness, swelling, itching, and other inflammatory manifestations; 4, the foreskin or the foreskin is too long or the foreskin has been the occurrence of chronic inflammation, the texture of the local skin, the color of the person who has changed.