The Roving Classroom Project is to organize volunteer students to go back to primary schools to explain some extracurricular knowledge to primary school children, some primary and secondary school classrooms are too focused on completing the curriculum objectives and lack extracurricular knowledge expansion. The project aims to popularize the knowledge and improve the overall quality of the students. The main purpose of our tour class is to popularize cutting-edge science and technology knowledge, and we have divided it into three themes: aerospace, AI and the application of AI in the supply chain.