Children’s heart murmur, if it is pathological factors need to pay attention to, if it is physiological factors do not need to worry too much, the specific analysis is as follows: 1. physiological factors, children’s heart murmur, may be physiological, at the same time this symptom is generally no other complications, the main due to children’s chest wall is relatively weak, in the exercise or emotional excitement, the heart will appear physiological murmur. 2. Pathological factors, children’s heart murmur, mostly with congenital heart disease, myocarditis and so on have a certain relationship, and there may be other complications, such as dyspnea, arrhythmia, cyanosis and so on, this situation needs attention. Children with heart murmurs are recommended to go to the hospital in time for relevant examinations to clarify the cause of the disease and then actively deal with it.