I. Functional exercise (1) The activities of congenital heart disease patients back home after surgery should not be excessive, especially for those pediatric patients, parents must arrange the amount of activity according to the specific condition, do not let it go, to avoid excessive activity and increase the burden on the heart. (2) Patients with preoperative cardiac function of three or more levels, severe heart enlargement and severe arterial hypertension need a long time to recover, so do not rush to activities after discharge, and increase the amount of activities appropriately with the recovery of the condition, especially avoid strenuous sports activities, and the amount of activities should be appropriate without fatigue. Second, postoperative review Patients should remember the contact information of the operating hospital before going home, such as: contact phone number, detailed address, contact name, etc., and put it in an obvious and not easy to lose position at home after going home, so that something can be contacted in time. The patient should go to the hospital for a review 2-3 months after the operation.