Large class children are suitable for walnut programming. Walnut programming is suitable for 7- 10 children, who can exercise their thinking and write simple programs. Walnut programming, since the establishment of 20 17, a teaching and research team of more than 100 people has been established. Referring to the most mainstream CSTA computer science education standards in the United States and the information technology curriculum standards promulgated by the Ministry of Education on 20 17, a ten-level advanced curriculum system is designed which is most suitable for students aged 6 to 12 in China. At the same time, the AI man-machine dual-teacher interactive learning counseling system is pioneered, which effectively solves parents' concerns.