Pain in the bones of the buttocks is pain at the sciatic nodes of the buttocks, which may have the following causes: first, tumors of the bones, when there are tumors or metastases in the sciatic nodes, there can be pain at the bones of the buttocks, which should be checked early with CT, ECT, and MRI of the bones for early diagnosis and treatment. Second, sciatic nodule bursitis, sciatic nodule bursitis can appear pain at the buttock sciatic nodes, there can be obvious pressure pain, pain is more obvious when sitting, to early examination and related tests to exclude other diseases to early diagnosis and treatment. Third, pear-shaped muscle syndrome, pear-shaped muscle syndrome can also appear pain around the buttock bone, can be accompanied by the symptoms of sciatica in the lower limbs, to early physical examination, as well as electromyography examination, to early diagnosis and treatment.