Any diagnosis of congenital heart disease requires prompt treatment. If left untreated, congenital heart disease can become more and more severe, causing heart failure and severe arrhythmias. Patients may have enlarged heart, edema of both lower limbs, enlarged liver and spleen, pulmonary artery hypertension and even death. Therefore, it is important to treat congenital heart disease promptly once it occurs. In terms of treatment plan, the type and type of congenital heart disease should be determined according to the electrocardiogram, and the treatment plan should be determined according to the results of the cardiac ultrasound. Treatment such as interventional blocking surgery and surgical open-chest direct vision repair surgery can achieve the goal of radical cure of congenital heart disease. In addition, it is necessary to pay attention to regular review and adjust the dosage of medication according to the results of the review.