Li Si mentioned in the "Book of Remonstrance to Chasing Guests": "Those who strike the urn and knock the fou, play the zheng and beat the bib, and sing and whimper quickly are the voice of Qin. Zheng, Wei, Sangjian, Shaoyu, Wuxiang This is the joy of a foreign country. Now I abandon the urn and go to Zheng Wei, and retreat to play the zither and take Shaoyu, what if it is? In today's...

In history, there are not very many records about the fou, among which the most famous one is recorded in "Historical Records: The Biography of Lian Po Lin Xiangru". In 279 BC, the King of Qin sent messengers to ask King Zhao to meet in Mianchi (now Mianchi County, Henan). The name was to promote friendship between the two countries. In fact, he wanted to hold King Zhao. King Zhao knew that Ki...