Cancer bone metastasis and lumbar intervertebral disc herniation have certain differences in pain site, pain level, symptom performance and treatment modality. 1. Pain site: cancer bone metastasis often manifests as generalized pain, bone pain and joint swelling, and the pain is more obvious at night; lumbar intervertebral disc herniation often manifests as lumbar pain, mainly lower limb pain and numbness, and sometimes manifests as buttock pain. 2. Degree of pain: cancer bone metastasis is usually severe pain and unbearable; lumbar intervertebral disc herniation pain is multiple and radioactive. 3. Symptoms: Bone metastasis of cancer is often accompanied by systemic symptoms, such as fever, fatigue, weight loss, loss of appetite, etc.; lumbar disc herniation is mainly characterized by lumbar pain and leg pain, numbness and weakness of lower limbs, and scoliosis and muscular atrophy may occur. 4. Treatment: cancer bone metastasis is mainly treated by chemotherapy, targeted therapy, radiotherapy, etc.; lumbar disc herniation treatment includes life care, medication and surgery. If you have pain in your body, you need to consult a doctor in time for examination and active treatment after a clear diagnosis, so as not to delay your condition.