Redness and swelling of the glans after circumcision may be caused by postoperative reaction, slow wound healing, bacterial infection, etc. According to the reasons, you can choose to continue to observe or medication and other ways to relieve. 1. Post-operative reaction: the circumcision process will cause wounds in the area, post-operative tissue edema can appear glans red and swollen reaction, which is a normal physiological phenomenon, generally do not need medication. 2. Slow wound healing: redness and swelling of the glans after circumcision may also be caused by slow wound healing. Patients should pay attention to strict dietary control, eat foods rich in vitamins and proteins, can provide nutrients to promote wound healing, generally do not need to use drugs. 3. Bacterial infection: the redness and swelling of the glans after circumcision may also be caused by bacterial infection, the patient can follow the doctor’s instructions to take levofloxacin, amoxicillin and metronidazole and other antibiotic treatments, generally effective control of pathogens. After circumcision, the glans is red and swollen patients should go to the hospital in time, choose the appropriate method of treatment.