Lumbar disc herniation usually does not cause armpit pain. The common clinical symptoms of lumbar disc herniation are lumbar back pain, radiating pain, numbness and weakness of the lower limbs, and claudication when walking. The pain usually does not radiate to the upper limbs, and does not involve pain in the armpit area. If it is only simple axillary pain, it should be considered to be caused by axillary lymph node enlargement, mastitis, paratesticular diseases, etc. Besides, it may also be related to tumor diseases such as lymphosarcoma, reticulocyte liposarcoma, and it may be caused by metastatic tumors, such as breast cancer and chest wall tumors. If suspected of lumbar disc herniation, should be timely hospital consultation, through the imaging examination to determine, and axillary pain symptoms, you can choose to do local ultrasound, pathological biopsy and other tests to analyze, clear the cause of the disease and then targeted treatment.