Arrange a reasonable living system, not only to enhance exercise and improve the resistance of the body, but also to take proper rest and avoid overexertion. If the child is competent, he or she should try to live and study together with normal children, but should prevent strenuous activities, and at the same time educate the child to have confidence in the treatment of the disease and reduce pessimism and fear. How to care for pediatric congenital heart disease? Sometimes it is difficult to feed the child, and it is easy to stop sucking because of shortness of breath when sucking, and it is easy to vomit and sweat a lot, so a dropper can be used when feeding the child to reduce physical exertion. In winter, the windows should be opened regularly to enhance air convection. For children with persistent cyanosis, the indoor temperature should be avoided to be too high, which may cause sweating and dehydration. Children with cyanotic heart disease should be given enough water to avoid dehydration leading to thrombosis. Keep the bowels open. Children with cyanotic heart disease should be careful not to strain too much when passing stool, so as not to increase the burden on the heart. Children with congenital heart disease are not allowed to receive large amounts of fluids, and if they must receive fluids, the drip rate must be slow to prevent the heart from being burdened and leading to heart failure. 3. Children who usually have good heart function and activity endurance should receive vaccination on time and observe more systemic and local reactions after vaccination for timely treatment. Children with congenital heart disease are weak and susceptible to infectious diseases, especially respiratory diseases, and are prone to heart failure, so they should be carefully cared for, add and remove clothes in time with the change of seasons, and take isolation measures if there are upper respiratory tract infections in the family. 4, avoid the child emotional excitement, try not to make the child cry, reduce unnecessary stimulation, so as not to increase the burden on the heart. Sometimes the child will take the initiative to crouch down for a moment after walking or playing, that is because the crouching can make the symptoms of hypoxia can be relieved, then do not force the child to pull up. Once the child is found to have symptoms such as shortness of breath, rapid heart rate, difficulty in breathing, etc., and heart failure may occur, the child should be sent to the hospital promptly.