1, within 6 months of children with precocious heart disease should be breast-fed; 2, such as special circumstances can not be breast-fed, artificial feeding, artificial feeding children should be the main food is milk or milk powder, 100 ~ 150 ml of milk per kg of body weight per day, with appropriate sugar and milk cake; 3, more than 6 months of age, in addition to the main food milk or milk powder, to add complementary foods such as rice porridge, vegetable puree, fruit puree, minced fish, minced meat, etc. 4. Children over 1 year old can eat more food, but the principle should still be small and frequent meals. Avoid eating foods that produce gas in the intestine. 5.Increase water intake in hot weather; 6.If the child is suffering from other diseases, the diet should be reduced; 7.For children with heart failure symptoms, give low-salt, less residue, semi-liquid diet; 8.Regular physical examination should be conducted to observe whether nutrition is adequate, and if necessary, ask nutrition experts for dietary counseling.