There are many causes of joint pain, such as osteoarthritis, rheumatoid arthritis, gouty arthritis, osteonecrosis of the joints, etc. The treatment mainly includes conservative treatment, arthroscopic surgery and joint replacement. 1. Conservative treatment: At the early stage of joint disease, you can try conservative treatment, such as rest, joint braking, physical therapy, acupuncture, etc. You can also use some medications, such as osteoarthritis, arthroscopic surgery and joint replacement. Some medications can also be used, such as celecoxib or glucosamine for osteoarthritis; celecoxib and methotrexate for rheumatoid arthritis. Glucocorticosteroids can be used as appropriate if the pain is unbearable, but should be used under the guidance of specialized doctors. 2. Arthroscopic surgery: For patients who are confirmed to have indications for arthroscopic surgery by imaging examination, surgery can be performed, such as cartilage repair, ligament loosening, joint cavity cleaning, free body removal, etc. under arthroscopy. 3. Arthroplasty: For patients with severe damage to the joint structure, arthroplasty can be considered. Currently, this surgery is very mature, with a high success rate, and can effectively relieve pain after surgery. Patients with joint pain are advised to go to the hospital as soon as possible to find out the cause of the pain, and have their condition evaluated by a professional doctor to choose the most suitable treatment.