The cost of radiotherapy for lung cancer bone metastasis is generally around RMB 10,000 to 20,000 for one cycle of treatment, which needs to be determined according to the charge standard of local hospitals, meanwhile, if the patient suffers from side effects such as bone marrow suppression after treatment, the treatment cost will be further increased. Bone metastasis of lung cancer refers to the malignant tumor originated from lung, which is transferred to bone through blood circulation or lymphatic system to form secondary tumor. Radiotherapy is a local treatment method for treating tumors with radiation, and it is necessary to adopt appropriate radiotherapy according to the location of bone metastasis of lung cancer. The cost of radiotherapy for lung cancer bone metastasis needs to be determined according to the severity of the patient, the different parts of the disease, the different treatment plans, while the local hospital charges are also different. For radiotherapy of lung cancer bone metastasis, patients need to go to oncology department and radiotherapy department of regular hospitals for consultation and timely treatment.