Atrial septal defects in congenital heart disease can be treated with conservative treatment, interventional therapy or surgery. 1. Conservative treatment: It is suitable for clinical observation when the area of atrial septal defect is small and there is no obvious symptom. If it is a simple atrial septal defect or ventricular septal defect, the diameter of the defect is less than 3mm, and if it occurs in infancy and childhood, with the growth and development of the child, the defective atrial septum or ventricular septum may heal on its own. 2. Interventional therapy: mainly through minimally invasive surgery to seal, the operation is easier, less traumatic, faster recovery, most patients choose to do interventional therapy, there is no obvious pain and trauma, the appearance of the surgery can not be seen. 3. Surgery: If the diameter of atrial septal defect or ventricular septal defect is larger than 3mm, there may be cyanosis of lips and mouth, easy to catch a cold, delayed development, etc., which needs to be treated with surgery under the guidance of doctors. Congenital heart disease ventricular septal defect, it is recommended that children need to pay attention to keep warm and avoid infection. At the same time, it is necessary to maintain peace of mind, avoid strenuous exercise and emotional excitement.