Typical symptoms of bone cancer in the elderly are mainly pain, localized lumps and swelling, dysfunction and compression symptoms. 1. Pain: patients with bone cancer will have intermittent and mild pain at the beginning, which may develop into night pain, persistent severe pain, pressure pain and so on. 2. Local lumps and swelling: patients with bone cancer will have localized lumps, which develop rapidly and are accompanied by localized blood vessels. 3. Symptoms of dysfunction and compression: if the tumor grows near the joints, the pain and swelling will lead to dysfunction of the joints. Malignant tumors growing in the spinal cord may also cause muscle weakness, decreased sensory function and even paraplegia. Due to the deterioration of bone quality in the elderly, bone cancer patients are also prone to pathological fracture. If the body of the elderly is weak, it may also be accompanied by general symptoms such as anemia, emaciation, weight loss and etc. If the above symptoms appear, it is recommended to go to the hospital in time. If the above symptoms occur, it is recommended to go to hospital in time and actively cooperate with doctors for treatment.