The drug of choice for the treatment of rheumatoid arthritis is benzathine penicillin, because rheumatoid arthritis is due to the joint inflammation and pain induced by group A beta-hemolytic streptococcal infection. At the same time, in order to symptomatically improve the patient’s symptoms of joint swelling and pain due to rheumatoid arthritis, it is also necessary to add some symptomatic analgesic and anti-inflammatory drugs, commonly used is non-steroidal analgesic drugs, such as ericiclib.