Baby bus and phone call have their own advantages. Baby Bus is an early education application for children aged 0-6, including games, children's songs, animations, stories, parenting communities and so on. Baby bus meets the intelligent early education needs of all families and is a real one-stop early education app. Calling a university includes reading, thinking and scientific and systematic courses to lay a good foundation for children's enlightenment stage. A strong teaching and research team composed of children's book writers, science and education experts and front-line teachers knows children, education and teaching. There are AI intelligent interactive online courses such as interesting reading, brain competition, trumpet, video teaching by famous teachers, life mathematicians and thinking experiments, which are suitable for children aged 3-7 to develop their intelligence and learn anytime and anywhere.