Jiu Zhang Suan Shu, also known as the "Nine Chapters on the Mathematical Art," is an ancient Chinese mathematical text that dates back to the Han Dynasty. It is one of the earliest known mathematical works in China and consists of 246 problems divided into nine chapters, covering various topics such as arithmetic, geometry, and practical applications. The text employs a systematic approach to problem-solving and introduces methods for calculations, including the use of fractions and the concept of negative numbers. Jiu Zhang Suan Shu has significantly influenced the development of mathematics in China and remains a vital part of its mathematical heritage.