Early stage intraductal papillary carcinoma can be treated by surgery, while middle and late stage patients need to be treated by chemotherapy and surgery. Intraductal papillary carcinoma of the breast will cause bloody overflow from the nipple, and some patients will have swelling at the areola, which is a kind of malignant tumor lesion, and untimely treatment may lead to spreading and metastasis. In the early stage, this disease can be treated by surgery to remove the lesion completely and achieve the purpose of treating the disease. When the disease develops to the middle and late stages, the lesions tend to be larger, and there is a possibility of local spread or distant metastasis. When the lesions are large, patients can use chemotherapy drugs such as doxorubicin or paclitaxel under the guidance of the doctor to reduce the size of the lesions and then undergo surgery to treat the disease. Some patients with distant metastases also need chemotherapy after surgery. Meanwhile, endocrine therapy, targeted therapy, immunotherapy, etc. can also be carried out for breast cancer. It is suggested that patients with intraductal papillary carcinoma of breast should consult regular hospitals in time and receive standardized treatment under the guidance of doctors to avoid aggravation of the disease.