Bone metastasis pain can be judged by clinical symptoms, imaging examination and pathological examination. Bone metastasis pain refers to the primary cancer has been transferred to bone tissues through blood, lymph or local metastasis, and has caused damage to bone tissues and triggered pain. Judging from clinical symptoms, bone metastasis pain will get worse gradually, and it will be painful at night or at rest. If the cancer cells of bone metastasis press the nerve root and bone marrow, sciatica will also occur, and even paraplegia is possible. If you want to further judge and confirm the diagnosis, it is recommended to improve the imaging examination, such as X-ray, CT, whole-body bone scanning, magnetic resonance, etc., under the guidance of professional doctors, so as to find out the early lesion and whether there is any metastasis at an early stage, and to do pathological examination to clarify the type of metastasis if necessary. Whether the pain is bone metastasis or not, we should go to regular hospitals for examination and analysis by professional doctors in order to make a more accurate judgment.