1. Zhou Li, one of the great sacrificial vessels, has become a ritual vessel for the ruling class to sacrifice the boundless earth and a tool for wizards to communicate with the gods. The shape of the jade cong is outside the inner circle (hole), which seems to confirm the truth that "the round wall is like the sky and the square is like the ground". Wizards also often use inferior jade cong, stone cong, or burnt jade cong to suppress evil spirits, collect corpses for anti-corrosion and ward off evil spirits.
Jade cong is also a symbol of power and wealth. The jade cong unearthed from the tomb has the following characteristics: the tomb has high specifications, large scale and rich funerary objects; The owner of the tomb is mostly male; The bushes are often accompanied by walls, and some tombs are sacrificed. Various phenomena show that Yan style is closely related to primitive religions and rituals, and its owner must belong to the upper class of tribal chiefs and high priests and wizards. It can be seen from the excavation site that the more prominent the owner of the tomb is, the more Yan and Bi there are in the sacrificial objects, which seems to explain everything before his death. It only shows the original identity of the tomb owner and the degree of wealth and power he enjoys in various tribes, and also represents a tomb system in Liangzhu culture period.
According to the records of ancient documents and the speculation of later generations, the use of jade is a sacrificial vessel, which is used to worship heaven, gods, mountains, seas, rivers and stars. The second is a ritual vessel, which is a gift from heaven or a symbol of status ("Zhou Lichun's official zong Bo Dian Rui" says: "The son holds the foreign jade, and the man holds the Pu Bi"). The third is accessories. 4. The scale used for coding. The fifth is to ward off evil spirits and prevent corrosion. These uses of jade almost existed in the Spring and Autumn Period and the Warring States Period, and evidence can be found in ancient documents and modern archaeological excavations.