Health education after operation of ventricular septal defect: 1. Avoid strenuous activities that affect sternum healing, avoid heavy physical labor within half a year, pay attention to the combination of work and rest, and properly carry out outdoor activities and exercises to facilitate rehabilitation. 2. People with better cardiac function generally don't need cardiotonic diuretics. Patients with complex malformation, severe pulmonary hypertension or cardiac dysfunction should use cardiotonic, diuretic or vasodilator drugs according to the doctor's advice. Tell the patient's name, dosage, taking time, possible adverse reactions and treatment methods in detail before leaving the hospital. Don't take medicine at will to avoid danger. 3. After the operation of atrial septal defect, there is no special taboo and unlimited salt when you go home except paying attention to supplementing nutrition, reasonable collocation and easy digestion. Patients with complex malformation, poor cardiac function and postoperative congestive heart failure should control their daily salt intake at 2-4g, and ask them to eat less and eat more meals, not overeating, and try to control snacks and drinks to avoid increasing the burden on their hearts. 4. No special illness changes after discharge, you can go to school after 3-6 months, live a regular life, and don't be overtired. If you have symptoms such as palpitation, dyspnea and cyanosis after discharge, you should go to the hospital in time.