There are many possible causes of back pain corresponding to the breast, as follows: 1, strain. Weight or stay up late working, resulting in excessive fatigue of the back muscles, back pain, you can take a good rest, appropriate massage. 2, cervical spondylosis. Accompanied by headache, dizziness, back pain, you can carry out drug treatment, and more exercise, choose cervical pillow when sleeping. 3, endocrine disorders. Breast pain, back pain, dizziness and headache occur before and during menstruation, and return to normal after the menstrual period. If the symptoms are obvious, you can take Chinese medicine for regulation. 4, lung disease. For example, if lung infection or lung cancer causes back pain, you can go to the hospital to take CT of the lung for related treatment. 5, breast cancer. Cancer patients with lung metastasis will show back pain and need to be highly alert.