According to historical records, Yu belonged to Yi, but Yi gave way to Yu's son Qi. This period of history is regarded as the beginning of China's "home on earth" [6]. Since the establishment of the Xia Dynasty. Eleven tribes in Xia Dynasty and the central royal family in Xia Houshi were linked by blood, political enfeoffment and economic tribute, which roughly constituted the core territory of Xia Dynasty.
There are a certain number of bronze and jade ritual vessels in the cultural relics of the Xia Dynasty, and the [7][8] era is about the late Neolithic Age and the early Bronze Age.
Xia Dynasty started from the west of Henan Province and the south of Shanxi Province, to the junction of Henan Province, Shandong Province and Hebei Province in the east, to the north of Hubei Province in the south and to the south of Hebei Province in the north. The geographical centers of this area are Yanshi, Dengfeng, Xinmi and Yuzhou in Henan Province.
Through the study of the dynastic history of Xia, Shang and Zhou dynasties and the tracing project of Chinese civilization, the social picture of Zhixia Shang period from 2500 BC to 1500 BC is preliminarily outlined. Six large-scale and high-grade central capitals of Xia Dynasty, including Yangcheng, Du Yu (now Wang Chenggang site in Dengfeng, Zhengzhou, Henan Province), have been included in the research focus. The discovery of Erlitou site in Yanshi, Luoyang, Henan Province, unveiled the mystery of the ancient "summer capital". Now Erlitou site is the remains of the capital of the Xia Dynasty and has gradually become an academic knowledge. [ 102]