To relieve knee pain caused by arthritis, it is necessary to avoid weight-bearing and stress on the joints, medication, such as non-steroidal anti-inflammatory and analgesic drug Celecoxib, physical therapy, such as ultrasound, local injection into the joint cavity, surgery, and so on. 1. Reduce the weight bearing and stress on the joints: avoid climbing stairs and mountains, if necessary, fix the joints with appropriate braking treatment, pay attention to keep warm and avoid getting cold. 2. Drug therapy: mainly non-steroidal anti-inflammatory and analgesic drugs such as celecoxib and diclofenac sodium, as well as nutritive joint cartilage drugs such as glucosamine sulfate. 3. Physical therapy: such as ultrasound, infrared rays, electromagnetic therapy, localized hot packs, etc. 4. Localized closed joint cavity injection therapy: such as sodium vitrate injection, which is a nutritive drug for articular cartilage. 5. Surgical treatment: arthritis is more serious, such as caused by the obvious deformity of the knee joint, or cartilage wear and tear is serious need for surgical treatment, the specific surgical method according to the specific circumstances can be taken under the minimally invasive knee arthroscopy, knee osteotomy, arthroplasty, and so on. Relief of knee pain caused by arthritis requires a professional physician to adopt a step-by-step treatment plan according to the specific condition, and you need to go to the hospital in a timely manner. The use of medication should follow the doctor’s instructions.