In the early years of the Western Zhou Dynasty, the fifteenth son of King Jichang of Zhou Wen was sealed in Bi and Bi State was established. Gao named his son (Yingbo Valley in ancient Xingyang), and his land is in today's Xingyang, Henan. After moving the capital, it was changed, from Xingyang to Shangqiu (Pan Houji) and then to Gushi, Henan. Later generations named it after the city. During the Spring and Autumn Period, Pan Guo and Ji surname were annexed by Chu State.
In the early years of the Western Zhou Dynasty, the food city Sun was located in (now Xingyang, later moved to Gushi). Because of the active governance of the Gilbert family over Pandy, it was also named the country of the Earl. During the Spring and Autumn Period, the Chu army attacked Pan Guo, which was unable to resist. Pan Cao Baoguo's imperial power surged. In order to make his subjects not forget their homeland, he asked Pan to take Pan as his surname from generation to generation, and then committed suicide in the palace. Pan Chong, the son of Quan Yong, led his troops to Chu. He studies hard and practices martial arts. Later, he was recommended as the teacher of the minister of commerce of the king of Chu, and successfully induced the minister of commerce of the king of Chu to force the king of Chu to abdicate.