Foreskin congestion is seen in two cases: first, redness and swelling of the foreskin caused by phimosis, which makes the foreskin cover the urethral opening, but can be upturned to reveal the urethral opening and the head of the penis after erection. Secondly, circumcision is not able to expose the head of the penis when erected, because the foreskin can not be upturned, it can make the foreskin scale accumulation, thus causing edema and congestion of the foreskin. In addition, when the foreskin glans inflammation, can also lead to the congestion of the foreskin, the foreskin glans inflammation can make the glans and the surface of the inner plate of the foreskin edema, congestion, redness around the opening of the urethra, there can be vesicles, the coronal grooves like tofu dregs of the same secretion, self-conscious itchy or a burning sensation, serious pain, most often in patients with prolonged prepuce or phimosis. Once there is edema and congestion of the foreskin, it is recommended to do a circumcision surgery if the foreskin is too long or circumcised.