Rheumatoid arthritis is caused by group A beta hemolytic streptococcal infection. Rheumatoid arthritis is an allergic disease caused by group A beta hemolytic streptococcal infection that can present with joint symptoms. Rheumatoid arthritis often presents with wandering, recurrent attacks. The joints are localized with redness, swelling, heat, pain and dysfunction. The disease is usually treated without sequelae and joint deformities. Rheumatoid arthritis can be treated with non-steroidal anti-inflammatory drugs, such as ibuprofen, etc., and glucocorticosteroids, such as prednisone, betamethasone and other drugs. The above medications need to be administered under the guidance of a medical professional. Rheumatoid arthritis patients are advised to go to the rheumatology and immunology departments of regular hospitals for detailed consultation and treatment as prescribed by the doctor.