1. Diagnostic points: 1. Mostly seen in middle-aged and elderly people, or a history of trauma (because osteoarthritis is a degenerative disease); 2. Mostly recurrent pain in weight-bearing joints, or with swelling, joint stiffness and gluing (i.e.: after a period of inactivity, the joint feels stiff and painful when it first starts to move, and can be relieved with some activity), or even joint deformity. 3, X-ray examination: joint space narrowing, osteophytes (i.e. bone spurs). Prevention and control points: 1, appropriate exercise, strengthen muscle strength, improve the stability of the joint, avoid excessive exercise to prevent aggravation of joint injury (such as climbing mountains). 2, the acute stage can be oral anti-inflammatory and analgesic drugs, Chinese herbal medicine and fumigation to eliminate joint inflammation as soon as possible, to reduce the damage to the cartilage surface of the joint. 3, long-term use of blood circulation, dispel the wind and Chinese medicine, modern research has confirmed: this type of Chinese medicine has strengthened cartilage nutrition, lubricating joint surface and protection of joint cartilage, can slow down or block the development of osteoarthritis, and non-toxic side effects. 4. If the condition is serious, minimally invasive joint cleanup or joint surface replacement is a mature type of surgery, with definite efficacy.