A systolic blowing murmur can be heard in the precordial region, which is auscultated by the heart and is usually seen in mitral or tricuspid valve insufficiency. In this case, it is necessary to consult the cardiology department for a cardiac ultrasound examination, and if it is a heart valve disease, it will be treated in conjunction with the valve condition. If the heart ultrasound examination suggests that the heart mitral valve closure insufficiency, or tricuspid valve closure insufficiency, mild closure insufficiency, will not cause significant impact on the heart structure and function, can be observed. If moderate to severe closure insufficiency, the valve itself congenital developmental abnormalities, such as congenital mitral valve prolapse, downward deformity, etc., may lead to heart enlargement, the occurrence of cardiac insufficiency, heart failure, this situation should be timely consultation, valve surgery. Some patients have an enlarged heart due to cardiomyopathic causes, secondary to valve closure insufficiency, which may also result in a heart murmur, in which case active formal treatment of the primary heart disease and correction of heart failure are required.