Health care measures and life management for patients with aortic stenosis are as follows: Health care tips: 1. The 15-year follow-up survival rate after surgery is more than 90% for cases with simple post-catheter aortic stenosis; it is only 80% for those with ventricular septal defect; it decreases to 40% for those with other severe cardiovascular malformations. 2. The long-term survival rate is also reduced in cases aged 20 years or older at the time of surgery. Common long-term causes of death include myocardial infarction, aortic valve lesions, aneurysm rupture, and hypertension and heart failure due to residual stenosis or restenosis. In cases of simple post-catheter aortic constriction, surgery should be performed after the diagnosis is clear, and surgery should be performed as early as possible in cases over 3-4 years of age. Life care: 1. Strict bed rest and prevention of infection, keeping the lower limbs straight and braking, asking the patient to press the puncture point when coughing and straining to defecate to prevent bleeding from the puncture point. 2.After 24 hours of bed rest, the patient can get out of bed and drink more water to facilitate the discharge of contrast agent. 3. Ask the patient to eat more high-calorie, high-protein, high-vitamin, less stimulating and easy-to-digest diet to facilitate recovery. 4. Observe the wound condition after the operation, keep the local skin clean and dry, routine anti-infection treatment for 3 days, and measure the body temperature regularly.