Hemorrhoid surgery half a month still hurts may be caused by wound infection, can be treated through sitz bath, drugs, surgery and other ways. 1. sitz bath: if hemorrhoid surgery half a month still hurts may be due to wound infection, you can use warm water, or potassium permanganate solution for sitz bath, can relieve the symptoms of pain, the use of potassium permanganate solution before, it is recommended to consult with a doctor about the use of specific matters. 2. Drugs: If the wound is infected, resulting in hemorrhoid surgery half a month after the pain, you can use erythromycin ointment, mupirocin ointment on the wound for anti-inflammatory, the use of drugs should be carried out under the guidance of a doctor. 3. Surgery: If the hemorrhoid surgery half a month still hurts may be the wound infection caused by scar tissue hyperplasia, if serious, you can again choose surgical treatment, need to go to the regular hospital, usually under anesthesia operation treatment. After hemorrhoid surgery to pay attention to the anal area of the clean, dry, to avoid wound infection, but also pay attention to drink more water, more rest, etc., in accordance with the doctor’s instructions.