Guangdong Xiangyun Digital Textbook Application Platform is a platform that integrates massive, high-quality and professional curriculum core resources, and provides digital textbooks for national courses in compulsory education. The platform also provides comprehensive support for new teaching application modes such as flipping the classroom, theme inquiry and problem solving. Providing teachers with functions such as classroom teaching interaction, resource integration and sharing, and exchange of teaching and research results constitutes an overall solution for smart learning with digital teaching materials as the core. For students, they can learn independently through Guangdong Xiangyun digital teaching material application platform (student side).