Rheumatic arthritis is mostly related to streptococcal infections. Additionally, respiratory viruses and mycoplasma infections can also cause joint pain. Once joint pain occurs, especially if it is asymmetrical, one should consider these infection-related factors, thus necessitating comprehensive tests including anti-streptolysin O, erythrocyte sedimentation rate, and respiratory virus tests. Whether to treat rheumatic arthritis depends on symptoms like fever and joint pain. Should there be fever and joint pain, proper medication is required, primarily the use of anti-inflammatory drugs, specifically non-steroidal ones. Treatment should be combined with long-term administration of penicillin to ensure a full course of therapy. If joint pain occurs, immobilization is essential, meaning bed rest is necessary until the joint pain eases. During this period, a light diet and adequate water intake are also recommended. (Please follow the guidance of a professional physician for medication use.)