There are no obvious symptoms in the early stage of cardiomyopathy, and some patients may show fatigue, decreased exercise tolerance, etc. With the development of the disease, patients may also have chest pain, palpitation, dyspnea and other symptoms. Usually, patients with cardiomyopathy have no obvious symptoms in the early stage, and only a very small number of patients may have weakness and decreased exercise tolerance. However, as the patient’s condition develops, the symptoms will gradually worsen, mostly manifested as chest pain, palpitations and so on. If the patient’s condition is severe, heart failure will occur, such as progressive dyspnea, shortness of breath after activity, double lower extremity edema, etc., and the patient will also be accompanied by dizziness, fainting and other phenomena. There is even a risk of embolism and sudden death. It is recommended that patients pay more attention to their own state, if the above symptoms, but also need to pay attention to timely, if clearly diagnosed as cardiomyopathy, you need to strictly comply with the doctor’s instructions for treatment.