The 10th year of Chang 'an was a period in Chinese history that occurred between 1044 and 1055. Many major political, economic, and cultural changes took place in China during this period. In terms of politics, the Tang Dynasty declined during this period. The power of the court was scattered, local politics were corrupt, and social order was chaotic. At the same time, the new dynasty, the Five Dynasties and Ten Kingdoms period, began to have frequent attacks and wars between political powers. In terms of economy, the 10th year of Chang 'an was one of the most prosperous periods in China's history. At that time, the southern part of China had already begun to develop agriculture and craftsmanship, while the north had also carried out large-scale land reform and trade development. At the same time, business and finance also developed rapidly and formed a huge business network. In terms of culture, the 10th year of Chang 'an was also an important period. During this period, many important literary achievements appeared, such as the Song Dynasty's essay, Xin Qiji's bold and unconstrained Ci, Lu You's Southern Song literature, etc. At the same time, calligraphy, painting, and other arts had also made great progress. Chang 'an ten years was a complicated and important period in Chinese history, which had a profound impact on the development of Chinese culture and society.