(A) Activity Amount Generally, children are not advocated to perform strenuous activities, such as running and jumping, within 6 months after surgery. 1.For those with normal heart function, they can walk around in front of the bed and behind the house and get some sunshine. 2.For those with poor heart function (large liver, edema, faster respiratory heart rate, poor mental appetite), the amount of activity should be strictly controlled and more bed rest should be given. 3-6 months after the operation, according to the actual situation of the child, gradually increase the amount of activity according to each person, but still pay attention to control the amount of activity! 3, when there is unexplained panic, shortness of breath, dyspnea, cyanosis, nausea, vomiting, loss of appetite, swelling obvious should promptly go to the hospital to identify the cause to be treated, or choose to telephone consultation with me one-on-one communication, never careless! (B) Diet should eat less and more meals (3 main meals and 3 supplementary meals). 1. For children <3 months old, feed mother's milk, milk, rice paste, calcium tablets with concentrated liver oil drops, fresh fruit juice, vegetable juice, puree as appropriate. Milk about 6 times a day. 2.3-10 months old infants gradually increase egg yolk (1/4-1/2-1), egg custard, thin porridge, vegetable porridge, crumbled noodles, minced meat porridge, etc. Supplementary food can be added with fruit juice, cookies, etc., and reduce the number of milk feedings. 3, 10-month-old children should be able to eat noodles, eggs, rotten and crushed chicken, fish, shrimp and vegetables, small pieces of fruit. Pay attention to nutrition to prevent edema or malnutrition caused by low protein. 4.For those with poor heart function, control water intake appropriately, pay attention to urine volume and urine color to avoid increasing the burden on heart and lungs. 5, 3 main meals: breakfast milk, porridge, eggs, etc.; lunch and dinner should be chicken, fish, eggs, shrimp and other high-protein, high-calorie food, fresh vegetables as a supplement, a small amount of rice and noodle food, to seven or eight minutes full. 6.3 times supplementary food time: 9-10 am, 2-3 pm, before going to bed at night. Fruit is the main food, supplemented by good quality cakes, cookies and other foods.