Rheumatoid arthritis (RA) is a chronic, predominantly inflammatory synovitis systemic disease of undetermined etiology. It is characterized by polyarticular, symmetric, aggressive joint inflammation of the small joints of the hands and feet, often accompanied by extra-articular organ involvement and positive serum rheumatoid factor, which can lead to joint deformity and loss of function. How to prevent rheumatoid arthritis in the elderly? 1.Strengthen the exercise, enhance physical fitness. Regular participation in physical exercise, such as health care gymnastics, practicing qigong, taijiquan, doing radio gymnastics, walking and so on, is of great benefit. Anyone who adheres to physical exercise, the body is strong, disease resistance, rarely sick, its resistance to wind, cold and dampness than the general ability not to go through physical exercise is much stronger. 2, to avoid the wind, cold and dampness attack. To prevent cold, rain and moisture, joints should pay attention to warmth, do not wear wet clothes, wet shoes, wet socks. Summer heat, do not want to be exposed to cold, drink cold drinks. The climate in the fall is dry, but the autumn wind is refreshing and the weather turns cool, so it is important to prevent wind-cold attacks. Winter cold wind, pay attention to keep warm is the most important. 3, pay attention to the combination of work and rest. Diet, regular living, work and rest is the main measure of health care. Clinically, some patients with rheumatoid arthritis, although the basic control of the disease, in the recovery period, often due to exertion and re-aggravation or relapse, so the combination of work and rest, activities and rest should be moderate.