Dilated cardiomyopathy often takes several years to progress from early to advanced stages, while individualized differences exist. Dilated cardiomyopathies are a group of complex cardiomyopathies with both genetic and non-genetic causes, which are characterized by enlargement of the left ventricle, right ventricle, or both chambers with systolic dysfunction, and may progress to heart failure, with the presence of both atrial and ventricular arrhythmias, and progressive exacerbation of the condition. Dilated cardiomyopathy early symptoms are not obvious, mildly atypical, many patients develop to heart failure before being detected, early if the active and effective treatment is appropriate, will be effective improvement and relief. The cause of dilated cardiomyopathy is still unknown. Currently, it is mainly considered to be related to viral infection, dysregulation of immune response, genetic inheritance, and exertion, infection, and increased blood pressure may be the triggering factors. Once dilated cardiomyopathy is detected, patients are advised to go to the hospital for professional diagnosis and treatment as soon as possible to slow down the development of the disease.