风湿热及风湿性关节炎是临床常见病,主要侵犯青少年,随着抗生素的临床运用,其发病率逐渐降低,病变严重程度亦逐渐减轻,且临床表现逐渐变得不典型。50岁以上者的发病率仅占风湿热的16.5%,其中90%以上以关节炎为主要临床表现,且起 Rheumatic fever and rheumatoid arthritis is a common clinical disease, mainly infringed on adolescents. With the clinical application of antibiotics, the morbidity is gradually reduced, the severity of the lesion is also gradually reduced, and the clinical manifestations gradually become atypical. The incidence of over 50 years of age accounted for only 16.5% of rheumatic fever, of which more than 90% of arthritis as the main clinical manifestations, and