Severe mitral valve closure insufficiency is not self-healing and requires aggressive treatment. Mitral valve insufficiency may be due to rheumatic damage, mitral valve prolapse, myocardial ischemia, infective endocarditis, hypertrophic cardiomyopathy, congenital heart disease caused by leaflet abnormality, the degree of more severe mitral valve insufficiency of the patient may also appear different types of dyspnea, severe mitral valve insufficiency may cause heart failure, can not be cured by themselves, and need to be treated promptly. Symptoms of mitral valve insufficiency should be promptly consulted and treated under the guidance of a doctor, mainly including medical treatment and surgical treatment. Such as mitral valve repair and mitral valve replacement. Pay attention to avoid overwork and strenuous exercise, pay attention to balanced nutrition, use easy-to-digest food, and pay attention to rest.