Active examination and active treatment. Some congenital heart diseases need to be operated immediately after birth, otherwise the best time for surgery will be missed and the treatment effect will be affected. Most congenital heart diseases can be cured at once by interventional methods by pediatric cardiologists or surgical procedures by pediatric cardiac surgeons, but there are some special congenital heart diseases that require staged surgery to cure, and there are also some diseases that cannot be cured anatomically, but can only be hemodynamically corrected. In addition, there are some diseases that cannot be cured anatomically and can only be corrected hemodynamically.