Osteoarthritis of the knee can be treated by appropriate hot compresses, good care of the knee joint, medication and surgery. 1. Appropriate hot compresses: Appropriate hot compresses on the knee joint can promote local blood circulation, which can reduce the symptoms of swelling and pain caused by osteoarthritis of the knee joint. 2. Do a good job of knee joint care: usually need to avoid climbing mountains, stairs and other activities to reduce the wear and tear of the knee joint, so as to avoid further degeneration of the knee joint. Further degeneration of the knee joints will be avoided. 3. Medication: Oral administration of non-steroidal anti-inflammatory and analgesic drugs such as celecoxib and indomethacin under doctor’s guidance, as well as topical application of ointment such as blood circulation and pain relief ointment and anti-inflammatory and analgesic ointment, can effectively relieve the pain of the joints and avoid further swelling of the joints. 4. Surgery: If the above methods are ineffective or the condition is serious, arthroscopic surgery or joint replacement surgery can be considered. The treatment of osteoarthritis of the knee joint must actively listen to the professional doctor’s opinion, do not blindly operate on your own, do not blindly use drugs.