Hemorrhoid surgery after menstruation can change the medicine, it is recommended to change the medicine regularly after menstruation, if the local area is contaminated by menstrual blood can be cleaned and changed in advance. Cleaning and dressing changes for wounds after hemorrhoid surgery can promote wound healing and prevent wound infection. Usually you need to change the medicine one day after the surgery, and every 1-2 days thereafter, to observe the wound healing, and at the same time clean, disinfect and anti-inflammatory to prevent local infection. If menstruation occurs during wound healing, wound dressing changes still need to be adhered to. At the same time, because menstruation may cause contamination of the wound dressing, it is recommended to pay attention to local hygiene during menstruation, change sanitary napkins, change underwear, and check the wound dressing regularly to keep the dressing clean and free from contamination, and if the wound dressing is contaminated, it is recommended to change the dressing in time for cleaning. Postoperative dressing change is an important measure to promote wound recovery, the operation needs to be carried out by a professional clinician, do not do it without authorization. Actively cooperate with the postoperative care, follow the doctor’s instructions, regular outpatient review, if any abnormalities, timely treatment, to avoid affecting the normal postoperative healing.