The invention discloses a surgical conveying device for interventional treatment of congenital heart diseases, which comprises an outer sheathing canal, an inner sheathing canal, a push rod, a hemostatic valve, a loading sheath, a heart-opening combination device and a conveying combination device, wherein the heart-opening combination device is combined by the outer sheathing canal and the inner sheathing canal, and the conveying combination device is combined by the outer sheathing canal, the push rod, the hemostatic valve and the loading sheath. By using the surgical conveying device disclosed by the invention, no X-ray radiography is required in a surgical process, therefore, no radiation damage is caused on doctors and patients.