Discovery of important sites: Yinxu, Zhengzhou Mall, Yanshi Mall, Xiaoshuangqiao Mall and Panlongcheng, including Erlitou Phase III and Phase IV: Due to the discovery of the above sites, it is possible to divide the pre-Shang culture and the early, middle and late Shang Dynasty into stages. Even archaeological data specific to a certain generation of kings can be carefully divided. With the staging of Oracle Bone Inscriptions, the staging of Shang Dynasty was quite mature. Due to the discovery of Panlongcheng in the south, Wucheng site in Jiangxi and Oceania in Xing 'an. Yin Shang's theory of the Yangtze River is self-defeating, and the nature of the remains of the Southern Shang Dynasty (for example, whether these remains belong to the Shang Dynasty or the Southern Kingdom) remains to be confirmed as the greatest achievement, or the archaeologist who has made great achievements is of course Zou.