Circumcision in boys, also known as circumcision or khitan, is a surgical procedure to remove the foreskin (the skin that covers the head of the penis). This procedure is most commonly performed on infant boys, but can also be performed on children and adults. 

Purpose of Circumcision:
Hygiene: Circumcision can make it easier to clean the penis and reduce the risk of urinary tract and foreskin infections. 

Health: Circumcision has been linked to a reduced risk of some sexually transmitted diseases, such as HIV and genital herpes, as well as penile cancer. 
Cultural and Religious: In some cultures and religions, circumcision has ritual and religious significance.