Knee pain in the elderly can be treated by rest, physical therapy, medication and surgery. 1. Rest and physical therapy: most of the knee pain in the elderly is caused by osteoarthritis due to joint degeneration, in the early stage, we should pay attention to appropriate rest, wear knee pads to reduce the activities and weight bearing, pay attention to warmth to avoid being cold, you can use hot compresses, massages, baked electricity and other physical therapy for treatment. 2. Medication: If the pain is obvious, you can take anti-inflammatory and analgesic drugs, such as diclofenac sodium, celecoxib, etc. You can also take cartilage protection drugs, such as glucosamine sulfate, as well as intra-articular injection of sodium vitrate. 3. Surgical treatment: the elderly knee arthritis late joint serious deformation stiffness and pain, can also be treated by surgery, such as artificial knee joint replacement. If the symptoms of knee pain in the elderly, it is recommended that the patient go to the hospital to improve the examination, to clarify the cause of the disease, and receive regular treatment.