Cardiomyopathy is not a terminal disease at the current state of medical care. Cardiomyopathies are mostly treatable, and for end-stage severe cardiomyopathies, heart transplants are available. Cardiomyopathy is a heterogeneous disorder of the myocardium due to different etiologies, often characterized by hypertrophy of the walls of the heart’s ventricles or dilatation of the heart’s chambers, which can be confined to the heart itself or affect multiple systems. Cardiomyopathies are clinically treatable, depending on the clinical symptoms and severity, either by treating the aggravating factors or by targeting the heart failure they cause. For severe heart failure due to cardiomyopathy, heart transplantation may be an option if medication or interventional therapy is not effective. The detection of cardiomyopathy should be actively consulted and reasonable treatment should be prescribed by the doctor.