The Oxford Reading Tree is a set of graded reading materials published by Oxford University Press, aimed at helping children gradually improve their reading abilities through interesting content. This series of readings is jointly compiled by several well-known education experts in the UK, with rich and diverse content, scientifically graded, and deeply loved by children around the world. The story mainly revolves around the Biff, Chip, and Kipper families, covering both the story and documentary readings. Among them, the stories of Biff, Chip, and Kipper are the most familiar and beloved by everyone. This series of reading materials is not only suitable for English reading and learning in schools, but also for reading at home, combining education with entertainment.