Hard lumps in the breast without pain need treatment, usually according to the different causes of the symptomatic treatment such as surgical treatment, radiotherapy, chemotherapy and so on. 1. Breast fibroadenoma, a benign tumor of the breast, is usually painless and manifests itself as a hard lump with a tough texture. Although it is a benign tumor, prolonged recurrent stimulation may cause the tumor to become malignant, so surgical excision may be needed to avoid its proliferation and malignant transformation. 2. Chronic lymphadenitis, the lymph nodes are stimulated by long-term chronic inflammation and become enlarged, hard lumps can be found in the breast, accompanied by slight pain or no pain. Surgery is needed to remove the lymph nodes. 3. Breast cancer, usually painless in the early stage, when suspected of malignant tumor disease, should be timely performed breast molybdenum target examination and pathology biopsy. When breast cancer is diagnosed, surgery, radiotherapy, chemotherapy and other comprehensive treatments should be carried out in time. It should be noted that when painless hard lumps appear in the breast, one should go to the hospital in time for examination and treatment under the guidance of the doctor.