Rheumatoid arthritis often starts within 1-4 weeks after whistling streptococcal infection, and typically presents as a wandering large arthritis of the extremities. It is characterized by: 1. multiplicity often invades several joints at the same time, symmetrical, local redness, swelling, heat, pain and pressure pain. 2. 2, often invade large joints such as the knee, ankle, wrist, ribs, shoulder, hip joints, etc.. Toe joints and lesser finger joints are rarely involved. 3.Wandering Inflammation of one joint subsides and then another joint becomes inflamed. 4.Transient After the inflammation subsides, the joint function returns to normal and no joint deformity remains. Patients mostly have fever, sweating, fatigue, loss of appetite and systemic symptoms, laboratory analysis can help diagnose: 1, increased blood sedimentation; 2, positive C-reactive protein test; 3, increased serum mucin; 4, increased serum anti-streptococcus “O”. However, the most serious thing about rheumatoid arthritis is that it can damage the heart, causing the heart to identify membrane adhesions, scar formation, and become chronic rheumatic heart disease. Therefore, rheumatoid arthritis must be actively, persistently and thoroughly treated in order to reduce or not occur rheumatic heart disease. The rheumatic heart disease is also known as rheumatic heart disease, which is manifested by the narrowing or incomplete closure of the membrane mouth, and finally incomplete compensation of cardiac function, forming congestive heart failure, the disease is mostly seen in young adults aged 20-40. rheumatic heart disease pathogenesis: 1, wind, cold, wet invasion of the body, from the surface and finally and the heart valves. 2, is the upper whistle tract infection within 1-4 weeks after the onset of the disease, typically manifested as wandering large arthritis DD rheumatoid arthritis of the extremities. As rheumatoid arthritis is not thoroughly treated, the most serious is the invasion of the heart valves, suffering from rheumatic heart disease, sometimes chronic rheumatic heart disease and rheumatoid arthritis at the same time, so in the treatment of rheumatic heart disease, but also active and thorough treatment of rheumatoid arthritis. Otherwise, rheumatic heart disease will gradually worsen.