This paper aims to explore how to innovate the product design and multi-sensory experience design of children's paper picture books in the prosperous information age. Firstly, the advantages of irreplaceable children’s paper picture books and the pain points that need to be solved are analyzed. Then, through sorting out the physical and mental change rules of children's behavior development, the multi-sensory reading needs of preschoolers are determined. After that, it attempts to explore the design ideas of the sensory experience of children's paper picture books for children aged 0-3 and 3-6 years old from the three levels of visual dynamism, sensory diversity and experience immersion. In the future, children’s paper picture books market will continue to grow, and the multi-sensory experience design will be more and more embodied in the children’s paper picture books in the design and development. Visual dynamic, sensory diversity, immersion experience design can not only carry forward the irreplaceable advantages, and improve the pain points needed to resolve, so as to provide more reading experience effects for children’s read enlightenment and parent-child reading together.