Dietary adjustment In general, when congenital heart disease patients return home after surgery, there are no special contraindications to their diet, except that they should pay attention to supplementary nutrition, reasonable matching and easy digestion, and there is no need to restrict salt. For patients with complex deformities, low heart function and persistent congestive heart failure after surgery, salt intake should be controlled to 2 grams to 4 grams per day. Family members should educate the patient to eat less and more often, not to be overfull, not to overeat, and try to control snacks and beverages so as not to increase the burden on the heart.