Elderly people with worn knee cartilage can find pain relief through lifestyle adjustments, medication, physical therapy, and surgery. 1. Lifestyle adjustments: If the wear and tear of the knee cartilage is mild, it can be relieved by reducing weight bearing, climbing stairs and walking long distances. 2. Medications: If the elderly experience significant pain, they can take medications such as aminoglucose sulfate or injections of sodium vitrate for relief. Non-steroidal painkillers such as ibuprofen and celecoxib can also be taken orally for treatment. 3. Physical therapy: Hot compresses, baking electricity, ultra-short wave and other physical therapy can be carried out to promote local blood circulation and relieve pain symptoms. 4. Surgery: If the cartilage in the knee of the elderly is worn out, the above conservative treatment is ineffective, usually need to relieve the pain through surgery for knee replacement. In summary, when the elderly knee cartilage wear and tear pain, it is recommended to go to the hospital in a timely manner to improve the relevant examination, a clear diagnosis and standardized treatment in accordance with the doctor’s instructions, in order to avoid delaying the condition. The above medications should be applied in accordance with the doctor’s instructions.