The time to remove a child’s foreskin cyst needs to be judged based on the size of the cyst. If the cyst is too large and compresses the penis, immediate surgery is needed, and if the cyst is smaller, it can be removed along with the phimosis. Circumcision cyst is a benign disease, may be due to the long foreskin or the circumcision, if the circumcision cyst is too large, it may press the head of the penis or even the urethral opening, resulting in local discomfort or difficulty in urination, this situation should be dealt with immediately, surgical removal of the cyst. If the size of the cyst is small, without any symptoms, coupled with the long foreskin in children, the foreskin cyst can be removed together with circumcision at the age of 6 to 10 years. The appearance of foreskin cysts, should be timely to the hospital, in the doctor’s comprehensive judgment, choose the appropriate program.