If there is no perineal fissure or lateral perineal incision after normal delivery, you can wash your vulva after urination and defecation with warm water. If you have perineal fissures or lateral perineal incision, you can use disinfectant to clean your vulva on the second day after delivery, you can use diluted iodophor to clean your vulva, and you should wash it after each urination and defecation, and you should change your sanitary napkin in time. If you do not change the sanitary napkin for a long time, it will easily cause local infection and affect the healing of perineal wounds, especially after the bowel movement, you must wash your vulva.