Generally the bone cannot be restored after radiotherapy for bone metastasis, radiotherapy has no repairing effect on the bone, and it can only play the role of pain relief and killing cancer cells. Radiotherapy is a way of treating bone metastasis, however, it can play the effect of pain relief, and it can also kill cancer cells, and to a certain extent, it can control the aggravation of vertebral bone metastasis and avoid paraplegia of patients. Radiotherapy has no effect on repairing the damaged bone. Therefore, in general, bone cannot be restored after radiotherapy for bone metastasis. Bone metastasis refers to certain malignant tumor diseases originating outside bone tissue, which cause damage to bone tissue after cancer cells reach bone tissue through blood line metastasis, and is commonly seen in breast cancer, lung cancer, prostate cancer and other malignant tumors in clinic. When bone metastasis occurs, comprehensive treatment should be adopted, combining with surgery, radiotherapy, chemotherapy, targeted therapy and nutritional support therapy. To sum up, patients with bone metastasis should actively cooperate with doctors to take standardized treatment measures and strengthen daily life management.