Whether intraductal breast cancer can be treated surgically when it is found half a year ago needs to be determined according to the patient’s physical condition and disease development. If the patient’s physical condition is good and the disease is still in the early to middle stage, and there is no lymph node or distant metastasis, the lesion can be completely removed by surgery, so as to achieve the purpose of curing the disease. If the lesion is already large, chemotherapy, such as paclitaxel and epirubicin, is needed to shrink the lesion before surgery. If the patient’s physical condition is poor at this time, the clinical stage is advanced, and surgery is no longer possible, the patient can be treated by chemotherapy, radiotherapy, targeted therapy, endocrine therapy and other means. It is recommended that once diagnosed, patients should undergo timely treatment to avoid the spread of the disease.