The first thing you need to do is to go to the hospital to deal with the edema of the glans after circumcision, and you can’t deal with it yourself: 1. change the medication, it may be that the bandage is too tight during the change of medication, resulting in poor blood circulation caused by edema, after the change of medication and moderate pressure reduction bandage, edema can quickly subside. 2. it may be that the frequent erection of the penis during surgery leads to edema, which is a normal physiological situation and does not require symptomatic treatment, as long as the local does not have ischemia, blackness or oozing, then clinical observation can be done. The edema can be reduced after the inflammation subsides. 4.It may also be caused by poor circulation of local lymphatic fluid after surgery.