Professor Liu from a university reported that he liked to climb mountains when he was young. At the age of 57, he took part in a tour organized by his unit and climbed Mount Tai. He was diagnosed with “degenerative osteoarthritis” or “osteoarthritis” after X-ray examination. At the age of 79, he had an artificial knee joint surface replacement surgery because of severe pain in the right knee joint and could not walk, and after the surgery, he often went on trips, took walks, played boxing, etc., and his quality of life was greatly improved. The first affiliated hospital of Henan College of Traditional Chinese Medicine orthopedic injury treatment center Li Huiying knee arthritis early performance joint pain or discomfort, sporadic, pain when walking up or down the stairs, walking symptoms are not obvious, playing soft legs, patellar friction feeling, conservative treatment can significantly reduce pain, improve joint mobility. However, in the middle stage, the joint pain is further aggravated with morning stiffness, swelling, joint strangulation and unfavorable activities. Minimally invasive arthroscopic surgery with little trauma and quick recovery can solve the disease. If the pain is not treated in time and the disease worsens to the late stage, it is better to undergo artificial total knee replacement, which can eliminate the pain and improve the joint function. Therefore, prevention is the most important aspect of the disease. In terms of knee exercise, we must pay attention to avoid climbing mountains or stairs, avoid squatting horse stance, support objects when squatting, advocate walking or bicycling and swimming, and keep the joint area warm to avoid wind and cold and moisture.