Depending on the stage, medullary carcinoma dispersed type can be treated by surgery, chemotherapy, radiotherapy, targeted drug therapy, immunotherapy and endocrine therapy. 1. Disseminated medullary carcinoma is a more common type of medullary carcinoma. If the patient is diagnosed in early or intermediate stage, radical surgical resection should be adopted, and follow-up treatment should be given according to the patient’s condition under the doctor’s evaluation and regular checkups. 2. If the patient is diagnosed in the advanced stage, chemotherapy and radiotherapy can be considered as a comprehensive anti-tumor treatment. 3. In addition, patients can be tested for gene and immune expression status. Patients with high immune expression can be treated with a combination of immunotherapy and chemotherapy. Patients with rare gene mutation can choose some targeted drug therapy. Some patients with medullary breast cancer can be treated with endocrine drugs. If there is any discomfort, patients should go to the hospital for examination in time. Early diagnosis and treatment will have a good prognosis.