According to the learning characteristics of learners, using adaptive learning technology, combined with digital interactive methods, this paper explores how to interactively design picture books for children's English pronunciation learning to increase children's attraction to the learning content and improve children's English pronunciation. This paper analyzes the design pain points of the current English pronunciation learning picture books, and practice and reflect on the design of children's English pronunciation learning picture books from four aspects:adaptive learning, adaptive training, adaptive assessment and adaptive feedback. Children's adaptive pronunciation learning picture books take advantage of the characteristics of digital media and stimulate learners' interest in learning through multi-sensory interaction design. Furthermore, the children's adaptive pronunciation learning picture books take into account the learners' pronunciation level, learning motivation, learning style, and other factors to provide personalized pronunciation learning courses, situational interactive pronunciation training, accurate pronunciation detection, and expressive pronunciation corrective feedback, realizing adaptive learning in the real sense.