Reumatic fever and rheumatic heart desease are still common and major public health problems in developing countries, include Syria. For their the study aims to present state and characteristics of RF in the last 10 year. and to determine the rule of ECHO / Doppler in the diagnosis of subclinc RHD. 285 patients with RF who were hospitalized at Damascus University Children’s Hospital between Jan .1994 and Dec.2003 were reviewed retrospectively.