相传在距今2000多年前的春秋时期,楚国有一位名叫卞和的人在山中采到一块被矿石包着的宝石,那时候叫做玉璞。他便拿去献给楚厉王,但昏君不识宝玉,他让玉匠看,玉匠说只是一块普通的石头,厉王以欺君之罪砍断了卞和的左脚。厉王死后,卞和又将此璞献给继位的楚武王,他又受到同样的酷刑,被砍去右脚。到公元前689年,楚武王死后, According to legend, in the Spring and Autumn Period more than 2,000 years ago, a man named Bian He of Chu dug in the mountains a gemstone that was encased in ore, then called Yu Pu. He took it to King Chu, but he did not know Baoyu. He told the Jade Carpenter that the jade carving was just an ordinary stone. Li Wang cut off the left foot of Bian with the crime of bullying. After the death of King Li, Bian and the king dedicated him to the throne, who again suffered the same torture and was stripped of his right foot. To 689 BC, Chu King died,