"Shui Jing Zhu" is a masterpiece of geography written by Li Daoyuan in the Northern Wei Dynasty. It has 40 volumes in total and records in detail the natural geography and humanistic features of more than 1,250 rivers in China, including mountains, rivers, towns, topography and products, customs, historical monuments, etc. With its splendid writing style and rich content, it not only has extremely high geographical value, but is also a treasure of ancient literature and art.