Introduction to the academy: Yang Shoujing studied diligently throughout his life, was knowledgeable and memorized, and was famous for his expertise in textual research. He was a great scholar who integrated geology, epigraphy, calligraphy, coins, book collections, and tablet bibliography. . He wrote 83 kinds of works in his life, and was known as "the first beginner in the late Qing Dynasty". His representative work "Commentary on the Water Classic" is a monument in the history of Li's studies.