A little purple glans after circumcision may be a normal phenomenon, but also may be caused by too tight bandage and infection factors. 1. Normal phenomenon: during the operation, due to the local blood vessel damage, usually cause bleeding, blood will spread around, so that the local bruising, will lead to the glans local purple, belong to the normal performance of the postoperative period, may be gradually absorbed. 2. Tight bandage: in the postoperative turtle hair purple symptoms persist, may be caused by the bandage is too tight, because after the operation need to carry out pressure bandage, bandage is too tight, glans blood circulation obstacles, resulting in glans ischemia, there will be turtle hair purple, should be re-bandaged. 3. Infection factors: after the circumcision did not do a good job of care, resulting in local infection, due to inflammatory substances stimulation, will lead to the glans a little purple, accompanied by itching, pain and other symptoms. The glans is also a little purple after circumcision may also be caused by other factors, if accompanied by other symptoms, you should also seek medical treatment for appropriate examination, to clarify the cause, for targeted treatment.