Osteoarthritis is the most common type of joint disease. Osteoarthritis usually occurs in the cervical spine, lumbar spine, knee joints, ankle joints, etc. It is usually caused by the melting and thinning of bone joints, mainly manifested by bone spur formation, joint friction, fluid accumulation and other symptoms, and in severe cases, meniscal fracture and osteonecrosis can occur, causing joint deformation and dislocation, which affects normal life. To avoid missing the best treatment time for the disease, it is important to prevent and treat it early. Osteoarthritis through some preventive measures, but also can effectively reduce the incidence of osteoarthrosis, delaying the development of the disease. 1, to have a scientific lifestyle: regular exercise regularly, especially exercise tendons and ligaments, strengthen the legs and avoid joint involvement. Beneficial exercise is gentle exercise with little impact on the joints, including: swimming, walking, tai chi, jogging, bicycling, etc. It should be noted that people with significant joint pain should try not to climb mountains, so as not to increase the burden on the joints and accelerate the deterioration of joint disease. 2, to have adequate nutrition: joint cartilage in addition to the need for protein, minerals, vitamins, especially need ammonia. As we age, the amount of ammonia needed for cartilage in the human body is gradually decreasing, and after the age of 45, the amount of ammonia in the human body is only equivalent to 18% of 18 years old. With the cartilage softening and wear, there will be pain, stiffness, inflammation, swelling and other symptoms, exogenous supplementation of ammonia can help enhance the nutrition and lubrication of joint cartilage. 3, pay attention to cold and warmth: usually pay attention to the affected joints to keep warm, you can use hot water bags, hot towels and other hot compresses, as far as possible to avoid air conditioning, electric fans directly on the joints blowing wind. 4, the affected joints should be protected: reduce joint load, reduce weight, pay attention to rest, avoid prolonged weight bearing and poor posture, the use of walking sticks, walkers, etc.