The treatment of osteoarthritis includes the following aspects: firstly, in the early stage, you can take oral medication, you can take oral medication that nourishes cartilage, such as glucosamine hydrochloride and glucosamine sulfate, and you can take oral pain relieving medication, such as meloxicam and celecoxib. In daily life and work, pay attention to avoiding the joints catching cold and avoiding excessive exercise and activities to protect the joints. Secondly, minimally invasive cleaning by arthroscopy. If there is obvious pain, articular cartilage damage and meniscus damage in the middle stage of osteoarthritis, then it can be treated by minimally invasive cleaning by arthroscopy, which also has certain effect. Third, surgical treatment, in the late stage of osteoarthritis, joint replacement can be carried out, which can effectively remove the pain, and at the same time can improve the function of joints and daily life.