Edema after circumcision is mostly caused by obstruction of lymphatic and venous return. It can be treated by hot compresses to reduce swelling, elastic bandages, needle drainage, medication to reduce swelling and so on. 1. Hot compresses to reduce swelling: If there is mild edema after circumcision, it is usually a normal postoperative reaction and can be recovered in 2 to 3 weeks. You can apply hot compresses to the affected area after the incision has healed, which can promote blood circulation and make the edema subside as soon as possible. 2. Elastic bandage: post-circumcision edema, you can use an elastic bandage on the affected area for a slight pressure bandage, can promote the absorption of edema as soon as possible. 3. Needle drainage: If the edema is particularly serious, and there are obvious pain symptoms. You can use a needle to puncture the edematous skin, so that the tissue fluid is released from the needle hole, can also reduce the symptoms of edema. 4. Drugs to reduce edema: If the edema is serious and the application of the above methods are not effective, you can take drugs to reduce edema, such as Diosmin tablets, MaiZhiLing tablets and so on. If the edema after circumcision can not subside as soon as possible, you should go to the hospital in time and follow the doctor’s instructions.