风湿热是儿童时期的常见病,据国内某儿童医院统计,在14岁以下儿童中,7岁以上者占发病率的90%左右,故它是危及学龄期儿童生命和健康的主要疾病之一。病因简单症状多样风湿热的病因,多数学者认为是由A组β溶血性链球菌感染引起的免疫反应。患儿在发病前1—3周常有A组β溶血性链球菌感染史,如曾患急性扁桃体炎、咽峡炎、猩红热等。该病以冬春季发病率较 Rheumatic fever is a common childhood disease, according to a domestic children’s hospital statistics, children under the age of 14, 7 years of age or more accounted for about 90% of the incidence, so it is endangering children’s lives and health of one of the major diseases . The etiology of a variety of simple symptoms of rheumatic fever, most scholars believe that the group A hemolytic streptococcus infection caused by immune response. 1-3 weeks before onset in children with group A often hemolytic streptococcal infection history, such as had had acute tonsillitis, angina, scarlet fever and so on. The incidence of the disease in winter and spring