When the patient has the phenomenon of repeated broken nipple ulcers and scabs, he can go to the breast surgery department of the regular hospital for diagnosis and treatment. If it is found that the nipple ulcers have been bad, repeated ulceration, long-term not healed, it is not excluded that it is a breast malignant tumor, such as breast paget disease, also known as nipple eczema-like breast cancer. Mammary eczema-like breast cancer is mainly manifested as localized skin ulceration, repeated oozing, axillary lymph node metastasis, etc. Surgical treatment is usually required, and some patients also need local radiotherapy or intravenous chemotherapy after surgery, and regular follow-up observation. In addition, non-lactating mastitis can be characterized by recurrent localized ulceration, pus and crusting, and may be accompanied by localized lumps. When the patient nipple repeatedly appeared ulcerated crust, it is recommended that the patient timely to the hospital breast surgery for examination, to clarify the cause of the disease, and then for targeted treatment.