 A simple smile can light up a whole room. And for 25 years, Smile Train has been lighting up the world with smiles. As the world's largest cleft lip and palate charity, Smile Train has supported over 2 million life-changing surgeries in over 90 countries. Visit SmileTrain.org to learn how Smile Train is supporting the cleft community all over the world. Smile Train. Lighting up the world with smiles for 25 years.