Circumcision swim ring usually refers to postoperative edema, usually about 15 days to 30 days can subside, the specific time varies from person to person. Circumcision will cause stimulation of the local mucous membrane caused by soft tissue congestion and swelling, resulting in local edema, generally belongs to the normal recovery process, 10 days or so, edema will gradually reduce, generally in 15 days to 30 days or so, the edema will completely subside. After the operation, pay attention to the incision on time to change the medicine, keep the skin clean and hygienic, avoid contact with unfavorable sexual stimulation, reduce penile erection, and also should pay attention to avoid premature sexual life, so as not to aggravate the edema. If the edema has not subsided for a long time after the operation, it is recommended to go to the hospital for examination and treatment as prescribed by the doctor.