Walnut programming course is useful. Walnut programming course is a programming education platform specially designed for teenagers, aiming at cultivating children's programming ability and stimulating their innovative potential. It provides a systematic programming learning path for children, which is suitable for beginners and has advantages in curriculum and teaching mode. Its teaching method is interesting, attracting children's attention and improving their learning motivation through animated explanations and games. This teaching mode of combining games and videos can effectively improve children's learning interest and participation. At the same time, its curriculum is also divided into high and low grades: low grade: for children in grade 1-3, the curriculum content is mainly based on the combination of science and mathematical programming. Senior grade: for children in grades 4-6, the course content is mainly based on the combination of physics and mathematical programming. From the perspective of curriculum system, walnut programming is different from many other programming courses in that it includes not only the learning of programming knowledge, but also the knowledge of mathematics, physics and science.