After 10 days of anal fistula surgery and menstruation, you need to wash the perineum, and you also need to clean the anus regularly, and change underwear and other personal items diligently. 1. clean the vulva: in the period of menstruation need regular vulva cleaning, can effectively remove the surface of the residual blood, so as to avoid causing bacterial infections or local rashes. At the same time, cleaning the vulva can also effectively avoid the flow of residual menstrual blood to the anus. 2. clean up the anus: anal fistula surgery recovery period need to carry out regular anal cleaning, can effectively avoid the symptoms of inflammation or bacterial infection. At the same time, regular cleaning of the anus can also effectively remove the surface of the residual menstrual blood and lining tissue. 3. change clothes: after anal fistula surgery and menstruation, you need to regularly change personal clothing and sanitary napkins and other items, try to ensure that the vulva and the anus around clean and dry. 10 days after the anal fistula surgery if menstruation should do a good job of cleaning the lower body, try not to let the residual menstrual blood stay too long.