Hypertrophic cardiomyopathy and hypertensive heart disease associated with high left ventricular voltage can easily progress to hypertensive emergencies, acute left heart failure, and lead to sudden cardiac death if left untreated. 1. hypertensive emergency: if the blood pressure of hypertensive left ventricular hypertrophy patients cannot be controlled in time, there will be a sharp rise in blood pressure, causing hypertensive encephalopathy, acute myocardial infarction, acute heart failure, acute aortic coarctation hematoma and so on. 2. Left heart failure: left heart failure can occur in serious or advanced stage of the disease, usually manifested as decreased activity endurance, exertional dyspnea, and in severe cases, sitting breathing, inability to lie down, profuse sweating, coughing, coughing pink foamy sputum and so on. Heart disease should not be ignored, should be regular hospitals, to identify the cause of the disease, and active treatment.