Lung cancer is a systemic disease, which originates from malignant tumors in the lungs. Lung cancer can cause systemic metastasis, which can metastasize to bones through blood and lymphatic tract and cause bone lesions. Therefore, the treatment of lung cancer bone metastasis mainly includes the following points: 1. systemic chemotherapy: systemic chemotherapy can kill tumor cells and inhibit tumor growth; in addition, local pain can be caused after tumor metastasis to bone, and local treatment is mainly radiotherapy. After bone metastasis of lung cancer, it belongs to stage IV of tumor, which is not suitable for surgery; 2. Bone metastasis can cause bone destruction, which can lead to pathological fracture, at this time, drugs such as zoledronic acid can be used to prevent the aggravation of bone destruction; 3. can prolong the survival period while the symptoms are reduced.