The causes of breast pain without hard lumps include physiological factors, mastitis, breast hyperplasia, breast cancer, trauma and other pathological factors, and the treatment of non-physiological factors includes medication and surgical treatment. 1. Physiological factors: breast development during puberty leads to a bout of vague pain in the breast, at this time there is no need for special treatment. 2. Mastitis: Breast pain caused by bacterial infection of the mammary gland can be treated with antibacterial drugs such as cefdinir tablets. 3. Mammary hyperplasia: Mammary hyperplasia is neither a tumor nor an inflammation, but a proliferation and degenerative change of the breast tissue, which is closely related to endocrine dysfunction, according to histological manifestations. It can be treated by oral administration of Easy Pill and Breast Fetish Dispersing Capsules. 4. Breast cancer: Breast cancer is a phenomenon of uncontrolled proliferation of breast epithelial cells under the action of various carcinogenic factors. Surgery, chemotherapy, endocrine therapy, targeted drug therapy and radiotherapy are generally needed. 5. Trauma: If the pain is caused by breast injury due to external force, you can give ice bag cold compress, oral ibuprofen and other pain medication. The appearance of a burst of vague pain in the breast without hard lumps, please consult a doctor in time, the above drugs please follow the doctor’s instructions.