In the late stage of dilated cardiomyopathy, the heart is generally enlarged, characterized by enlargement of the left ventricle, right ventricle or bilateral ventricular chambers and cardiac systolic dysfunction, with the left ventricle being the most enlarged, and the disease progresses slowly. In the late stage, persistent congestive heart failure, shortness of breath, dyspnea are more serious, often combined with various arrhythmias, common ventricular arrhythmia, atrial fibrillation, atrioventricular block and bundle branch block, etc., and some of the patients have embolism or sudden death. Echocardiography shows significant enlargement of the cardiac chambers, severe reduction of left ventricular ejection fraction, often combined with bicuspid and tricuspid regurgitation. Physical examination shows marked enlargement of the heart, gallop rhythm, X-ray film shows pulmonary and circulation stasis, and pleural effusion. The presence of symptoms related to dilated cardiomyopathy timely consult the cardiology department, improve the relevant examination, the doctor will evaluate the condition and give guidance.