If the nipple is broken, local disinfection can be performed with iodophor, which is less irritating and also further treatment should be decided according to the injury. After disinfection of a simple epidermal injury, the wound should be kept dry. Sterile dressings can also be applied for dressing, and attention should be paid to regular disinfection. If there is a local skin laceration, local sutures, if necessary, are applied with absorbable sutures and, if necessary, a lactoscopy is performed to clarify whether there is a combined ductal injury. For simple nipple cracking and nipple skin laceration, you can also choose the method of local sterilization and bandaging. And you should pay attention to local hygiene, if there is repeated local overflow, you should intermittently apply topical antimicrobial ointment, such as erythromycin ointment, which has an auxiliary therapeutic effect, and also perform regular breast ultrasound examination.