Ever wonder why millions of men around the world choose circumcision surgery—and what actually happens during the procedure? Circumcision is a surgery where the foreskin, the skin covering the tip of the penis, is removed. It’s commonly done for religious, cultural, medical, or personal reasons. While it may sound intense, it’s one of the most common procedures worldwide. So how does it work? First, the area is numbed with anesthesia, so the patient doesn’t feel pain during the surgery.