1, general treatment Where drugs that enhance myocardial contractility such as digitalis, beta-agonists such as isoprenaline, and other drugs that reduce the load on the heart such as nitroglycerin make the left ventricular outflow tract obstruction worse, try not to use. If there is mitral valve insufficiency, infective endocarditis should be prevented. 2.Medication To relieve symptoms and control arrhythmia. (1) β-blockers weaken myocardial contraction, reduce outflow tract obstruction, reduce myocardial oxygen consumption, increase diastolic ventricular dilation, and slow down the heart rate and increase the volume of heart beats. (2) Calcium antagonists have both negative inotropic effects to weaken myocardial contraction and improve myocardial compliance to facilitate diastolic function. β-blockers combined with calcium antagonists can reduce side effects and improve efficacy. (3) Anti-arrhythmic drugs are used to control rapid ventricular arrhythmias and atrial fibrillation, with amiodarone being more commonly used. Electroshock is considered when drug therapy is ineffective. For those with late ventricular systolic impairment and congestive heart failure, the treatment is the same as for other causes of heart failure. For patients with obstructive cardiomyopathy whose diagnosis is certain and for whom drug therapy is ineffective, surgical treatment is considered, including deep interventricular diaphragm dissection and partial resection of hypertrophic myocardium to relieve symptoms. In recent years, a double-chamber permanent pacemaker has been used for sequential right ventricular atrial pacing to relieve the symptoms of obstructive patients, but experience has yet to be accumulated. (1) Commonly used surgical methods are transaortic and left ventricular combined incision myocardial resection, transaortic incision ventricular septal myocardial resection and dissection. (2) Treatment effect of surgery mortality rate is about 10%. The common causes of death are low cardiac output and left ventricular incisional bleeding. Postoperatively, complete conduction block is a complication in about 5% of cases, with a higher incidence of left or right bundle branch block. In patients with significant clinical symptoms, failure of medical therapy, and a systolic pressure difference between the left ventricular chamber and the outflow tract of more than 50 mmHg at rest, surgical treatment should be performed to remove the hypertrophied myocardium of the ventricular septum to relieve the obstruction.