Degenerative changes in cartilage may begin in the early 20s, and in people over 50 years of age, most can show signs of osteoarthritis on X-rays. Therefore, the key to dealing with osteoarthritis is how to prevent the accelerated progression of the lesion from having a negative impact on life. Although it is not yet possible to completely prevent osteoarthritis from not occurring, there are a number of measures that can be taken to reduce or delay its occurrence. These measures include: 1, reduce weight. 2, try not to wear high heels. 3, to protect the joints from injury. 4.Minimize doing frequent high exercise. 5.Have meniscus injury should be repaired or sutured through arthroscopy in time. 6.Joint ligament injury should be treated in time. 7.Surgery for deformity around the joint should be promptly orthopedic. 8.Take Vit A, Vit C, Vit E and Vit D to prevent osteoarthritis.