1. Handicraft industry: the shipbuilding industry ranks first in the world. Guangzhou and Quanzhou were famous commercial ports at that time, and they were also the most developed places in shipbuilding industry; The number of silk products in Sichuan is "viewing the world". Jiangsu and Zhejiang produce a large amount of silk, which is mostly used by the imperial court. The cotton textile industry, which started from Hainan Island, has been extended to the Yangtze River valley in Guangzhou and Fujian. During the Southern Song Dynasty, Jiangnan area developed into a national porcelain making center. The ice crack porcelain produced in Zhejiang Geyao is the most famous. It rose in Jingdezhen in the Northern Song Dynasty and later developed into a famous porcelain capital.

2. Agriculture: In the Song Dynasty, an excellent rice variety Zhancheng Rice was introduced from Vietnam, which greatly increased the rice yield. By the Southern Song Dynasty, rice production had jumped to the top of grain production.

3. Commerce: The earliest paper money in the world appeared in Sichuan in the early Northern Song Dynasty. The big cities are Kaifeng and Hangzhou.

4. Science and technology: In the Northern Song Dynasty, Bi Sheng invented movable type printing and the compass. During the Song and Yuan Dynasties, gunpowder was widely used in war. Shen Kuo wrote Meng Qian's Bi Tan.