Heart murmur grade 2~3 is not able to assess the severity of the disease, some people are physiological murmur, patients with pathological murmur should assess the severity of the disease by symptoms, heart function. Heart murmurs can be seen in valvular insufficiency, congenital heart disease, rheumatic heart disease, etc., the patient’s heart structure is abnormal, which will lead to the appearance of heart murmurs. Heart murmurs can also be seen in normal people, such as adolescents can appear heart murmur, belong to the physiological changes. Patients with a heart murmur have to understand the patient’s symptoms, the presence of dyspnea, and assess the function of the heart by cardiac ultrasound, and patients without heart failure have a relatively mild condition. In patients with heart failure, the severity of the condition increases, and physiologic murmurs are not pathologic. If there is a murmur in the heart, and if there are obvious symptoms, it is important to go to the hospital in time to clarify the severity of the condition, and to give treatment under the guidance of the physician.