If the wound of lateral incision is cracked, it is recommended to apply Pepto-Bismol ointment locally, pay attention to local cleanliness, and take potassium permanganate sitz bath to promote healing. Lateral perineal incision is sutured layer by layer according to the anatomical structure, and is generally less prone to cracking. If the incision wound splits, first of all, make sure the wound is dry and clean. You can disinfect the wound with potassium permanganate sitz baths and povidone-iodine, and then apply Pepto-Bismol topical cream to promote healing. At the same time, if conditions permit, you can not wear underwear, avoid the affected side of the sedentary. If the incision is serious or there is localized infection, it is recommended to go to the obstetrics department of the hospital for examination, and if necessary, a second suture or anti-infection treatment is needed.