Antibacterial drugs are usually preferred for rheumatoid arthritis, with penicillin being the mainstay. The main purpose is to control upper respiratory tract streptococcal infections. 400,000 units of penicillin are usually applied intramuscularly twice daily for a course of about 10-14 days. If you are allergic to penicillin, you can apply erythromycin or other macrolide antibiotics or cephalosporin antibiotics. Also need to combine the application of anti-rheumatic drugs, usually aspirin, fotarine, naproxen, meloxicam, etc.. Attention should also be paid to the adverse effects of aspirin, and glucocorticoids, such as prednisone and methylprednisolone, can also be applied for treatment.