Breaking at the areola with yellow nipple discharge is considered to be possibly related to mastitis, intraductal papilloma, breast cancer and other diseases. 1. Mastitis: Mastitis is an inflammation of the breast tissue with or without microbial infection, mostly manifested as redness, swelling, heat, pain and other symptoms, but also can be accompanied by nipple discharge and localized skin breakdown, which may be accompanied by areola breakage and yellow nipple discharge phenomenon. 2. Intramammary duct papilloma: it is a raised lesion with or without a tumor growing in the milk ducts, and the most important clinical manifestation is nipple discharge, which may be bloody or plasma, and there may be breakage at the areola and yellow nipple discharge. 3. Breast cancer: Breast cancer is the proliferation of breast epithelium out of control, and then malignant changes, may touch the local adhesion of the mass can not be pushed, some patients may appear yellow or bloody nipple discharge or local skin ulceration, there may be areola breakage and yellow nipple discharge phenomenon. Daily attention should be paid to the recovery of the condition, if there is localized skin breakdown and yellow nipple discharge, it is necessary to consult a doctor in time to clarify the cause of the disease and carry out appropriate treatment.