If the wound is still painful after 100 days of circumcision, and redness and swelling appear after sex, it may be caused by too much circumcision, wire knot or titanium nails and other foreign objects retained, and so on. If the wound is still painful 100 days after circumcision, the pain after sex or erection may be due to too much circumcision, especially the damage of the tie, the short foreskin after erection leads to pulling pain, and easy to damage and inflammation during sex, leading to redness and swelling. If the pain is red and swollen in the soft state, it may be due to the foreign body reaction caused by the retention of wire knots or titanium nails and other foreign bodies. Need to go to the urology department for treatment When the wound is still painful after 100 days of circumcision, it is recommended to consult a doctor for examination and choose a reasonable treatment plan under the doctor’s comprehensive analysis.