1.Aortic valvuloplasty The main indications are: (1) congenital aortic stenosis in children and young people; (2) cardiogenic shock in severe aortic stenosis who cannot tolerate surgery; (3) life-threatening severe stenosis and transitional treatment measures due to high risk of surgery for heart failure; (4) pregnant women with severe aortic stenosis; (5) severe aortic stenosis who refuse surgery. 2, valve replacement therapy Aortic valve lesion technology is very mature, the success rate of surgery in more than 98%, and good results. The main indications are (1) a history of syncope or angina pectoris; (2) left ventricular hypertrophy on electrocardiogram; (3) cardiac function class III-IV; (4) pressure step difference between left ventricle and aorta >6.65 kPa (50 mmHg).