Inflammatory nodules, cystic hyperplasia of the breast, malignant nodules and so on, if the patient is accompanied by uncomfortable symptoms, it is recommended to go to the hospital immediately. 1. Inflammatory nodule: due to mastitis nodule may cause the nodule and the surrounding normal tissue adhesion, so that the patient has the phenomenon of unclear edge with burr. 2. Breast cystic hyperplasia: due to endocrine disorders caused by elevated levels of estrogen in patients, resulting in localized lumps and normal tissues merging with each other, resulting in the appearance of blurred edges of the burr phenomenon. 3. Malignant nodule: malignant nodule, also known as breast cancer, is due to the fusion of cancer cells with surrounding fibrous tissues, leading to the phenomenon of fibrous tissue hyperplasia, resulting in the appearance of burrs with unclear edges of the breast. After the diagnosis of breast cancer patients need to go to the hospital in time for treatment through surgical treatment and radiotherapy and chemotherapy. When there are breast nodules with unclear margins and burrs, patients should not be careless, and need to go to the hospital immediately to do relevant examinations, and carry out relevant treatments according to the examination results, so as to avoid affecting their health.