There are 10 mathematical works in ancient China for more than a thousand years, which are called the top ten treasures of ancient mathematics in China. They are (1) Zhouyi Suan Jing, which is China's earliest mathematical work and also an astronomical work. In mathematics, I mainly talk about the methods of learning mathematics. (2) Nine Arithmetic Chapters: It is the most important one among the ten computing classics. (3) Calculation of Sun Tzu: The counting method and the calculation steps and rules of multiplication, division, square root and fraction are systematically described. (4) "Five Caosuanjing": Written by Zhen Xuan in the Northern Zhou Dynasty, "Book Collection" has 67 questions. The so-called "Five Caos" refer to five types of officials, namely Cao Tian, Bing Cao, Ji Xia Cao, Cang Cao and Jin Cao. (5) Xiahou Yang Suanjing: The book has 3 volumes, including 83 math problems, and its content is similar to that of Sunzi Suanjing. (6) Jing: In addition to the contents of nine chapters of arithmetic, there are also problems of rank number, quadratic equation and indefinite equation. (7) Calculation of islands: It was written by Liu Hui in Wei and Jin Dynasties, and was named after measuring the height and distance of islands. (8) Arithmetic of the Five Classics: It was written by Zhen Luan in the Northern Zhou Dynasty, and annotated the places related to mathematics in Confucian classics such as The Book of Changes, The Book of Songs, Zhou Li, The Book of Rites, The Analects of Confucius and Zuo Zhuan. (9) "Composition". (10) "Jigu Shujing". The above 10 volumes are collectively called "Ten Classic Books on Computing".