1, try to keep the child quiet, avoid excessive crying, to ensure adequate sleep. Older children should have a regular life, a combination of movement and stillness, neither running around outside (running and jumping and strenuous exercise are strictly prohibited), nor do they need to lie in bed all day, sleep at night must be guaranteed to reduce the burden on the heart. 2, children with cardiac insufficiency tend to sweat more, need to keep the skin clean, bathe regularly in summer, wipe the body with a hot towel in winter (pay attention to keep warm), change clothes and pants regularly. Feed more water to ensure sufficient hydration. Zhang Hao, Department of Thoracic Surgery, Shanghai Changhai Hospital 3, children with congenital heart disease should eat less and more meals, need to ensure adequate intake of protein and vitamins, give the diet as diverse as possible, easy to digest. 4, keep the stool can be smooth, if the stool is dry, defecation difficulties, excessive force will increase the abdominal pressure, increase the burden on the heart, and even have serious consequences. 5, indoor air circulation, children try to avoid staying in crowded public places to reduce the chance of respiratory infections. You should add and remove clothes in time with the cold weather and pay close attention to the prevention of colds. 6.Most colds can be cured in 2-14 days if they do not cause complications. During this period, we should pay more attention to rest and avoid catching cold again. Give easily digestible food, drink more boiled water, and keep the indoor air fresh and flowing. Avoid public places, and if necessary, cover the nose and mouth with a mask, which must be kept clean and dry and changed regularly. Keep the airway open and lie on your side.