Some patients with enlarged heart can be cured, but if organic changes occur, it cannot be completely cured. There are many clinical causes of cardiomegaly, common myocarditis, myocarditis is mostly related to infectious factors, most of the patients can be actively treated, the inflammation can gradually subside, cardiomegaly will return to normal, the patient’s cardiac function will not cause significant impact. Some patients with enlarged heart may cause structural changes in the heart, for example, some myocarditis can not be completely cured, will gradually develop into dilated cardiomyopathy, rheumatic heart disease can also lead to structural changes in the heart, the heart structure changes, heart failure may eventually occur, can not be completely cured. Patients with enlarged heart should pay attention to find the cause of the disease, under the guidance of the physician can be actively treated to avoid the occurrence of heart failure.